### This package contains Revision 20 to the CL−604 Time Limits/Maintenance Checks manual. To bring your manual up to date, remove the superseded pages and insert the revised pages dated Jul 08/2013. The date of Feb 22, 2013 is the date the MRB report was submitted to the regulatory authorities for approval. The date of Jul 08, 2013 is the scheduled date of distribution of this manual. These changes come into effect at the distribution of this manual. The CL−604 Maintenance Planning Document (MPD) has been revised concurrently with this revision. **HIGHLIGHTS − PART 2** 1. Made the changes that follow in section 5−10−10 **CHECK # RS #**  **INTERVAL DESCRIPTION OF CHANGE**  

### 27−42−01−108* CL604−057 20000 L COMPONENT New task 2. Made the changes that follow in section 5−10−11 **CHECK # RS #**  **INTERVAL DESCRIPTION OF CHANGE**  

### 29−10−00−102* CL604−059 29300 L COMPONENT New task 3. Made the changes that follow in section 5−10−30 **CHECK # RS #**  **INTERVAL DESCRIPTION OF CHANGE**  

### 53−30−00−139* CL604−061 T 3950 L R 2500 L Revised task title
54−50−00−103* N/A T 7800 L R 1677 L Added the “Ref. No.”
57−50−00−109* CL604−050 T 7800 L R 7800 L Revised task title (inadvertently omitted in previous revision) 57−50−00−121* CL604−060 T 7800 L R 6647 L New task **CL−604 TIME LIMITS/MAINTENANCE CHECKS**



### REVISION 20 − TRANSMITTAL LETTER

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# HIGHLIGHTS**CHECK # RS #**  **INTERVAL DESCRIPTION OF CHANGE**  

### 57−52−01−102* CL604−060 T 7800 L R 3610 L Revised the repeat interval 4. Made the changes that follow in section 5−10−40 **CHECK # RS #**  **INTERVAL DESCRIPTION OF CHANGE**  

### 27−35−04−101* CL604−058 P/N 600−59154−5 100 H COMPONENT Revised interval

**HIGHLIGHTS − PART 3** 1. Made the changes that follow in section 5−20−05 of the MRB section **CHECK # CEF #**  **INTERVAL DESCRIPTION OF CHANGE**  

### Introduction 35−00−00−20 N/A Revised Program Note 11 2. Made the changes that follow in section 5−21−10 of the MRB section **CHECK # CEF #**  **INTERVAL DESCRIPTION OF CHANGE**  

### 27−41−00−101** 27−41−00−02 800 H NOTE 16 Revised task number (from “...−201” to “...−101**”) and interval (added NOTE 16) 74−00−00−201 74−00−00−05 1200 Eng H Revised title **HIGHLIGHTS − PART 4** 1. Deleted all references to and the content of PART 4 in its entirety. Revision 20 does not incorporate any Temporary Revisions as there were none released at the time of publishing. **CL−604 TIME LIMITS/MAINTENANCE CHECKS**

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### PART 1 **GENERAL**



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### PART 1 **GENERAL**

**NOTE:** This list represents only those TRs which are currently in use in Part 1 of this manual. 

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### LIST OF EFFECTIVE TEMPORARY REVISIONS NO TEMPORARY REVISIONS ARE APPLICABLE AT THIS TIME
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### INTRODUCTION **1. Scope** The Time Limits/Maintenance Checks (TLMC) manual (called Chapter 5 in this manual) shows tasks that are Airworthiness Limitations (life limited components, airworthiness limitation items and certification maintenance requirements) and Maintenance Review Board tasks (MRB) for the Canadair Challenger 604, Model CL−600−2B16, Aircraft Serial No. 5301 to 5665. These tasks are required to make sure of the continued airworthiness of the aircraft. The Airworthiness Limitations section and the MRB section are approved by Transport Canada. The MRB Report and the Airworthiness Limitations form the basis of the Manufacturer’s recommended inspection/maintenance program. The MRB Report contains the initial minimum maintenance/inspection requirements in compliance with Instructions for Continued Airworthiness. It does not include the Mandatory Airworthiness Inspection tasks that follow: − Life Limited Components − Airworthiness Limitation Items (ALI) − Certification Maintenance Requirements (CMR). **2. Manual Organization** The TLMC manual includes the front matter that follows: − Title Page − Record of Revisions − Record of Temporary Revisions − List of Effective Pages − List of Effective Temporary Revisions − Table of Contents − Transmittal Letter. The TLMC manual is divided into the sections that follow: − PART 1, 5−00−00 General − PART 2, 5−10−00 Airworthiness Limitations − PART 3, 5−20−00 Maintenance Review Board (MRB) Report For extension tolerances to the inspection intervals, refer to the Maintenance Planning Document (MPD). **CL−604 TIME LIMITS/MAINTENANCE CHECKS**



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### 3. Complementary Information The manual has references to the publications that follow: − CL−604 Aircraft Maintenance Manual (AMM) − CL−604 Structural Repair Manual − CL−604 Component Maintenance Manual − CL−604 Non−Destructive Test Manual − CL−604 Service Bulletins. Aircraft stations and zones data can be found in the AMM, Chapter 6. Engine inspection procedures can be found in the General Electric publication that follows: − SEI−780 CF34 Turbofan Engine Maintenance Manual The CF 34−3B engine is operated under the Task Oriented Maintenance Program thus having no mandatory scheduled Overhaul or Hot Section Inspection maintenance. This program consists of installed engine repetitive visual borescope inspections of the external and internal components, specific maintenance checks and an optional but highly recommended Trend Monitoring program. **4. Program Glossary and Definitions Accidental Damage** 

— 

### Physical deterioration of an item caused by contact or impact with an object or influence which is not a part of the aircraft, or by human error during manufacturing, operation of the aircraft, or maintenance practices. **Age Exploration**

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### A systematic evaluation of an item based on analysis of collected information from in−service experience. It verifies the item’s resistance to a deterioration process with respect to increasing age. **Airworthiness Limitations Section**

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### A section of the Instructions for Continued Airworthiness that contains each mandatory replacement time, inspection interval, and related inspection procedure for structural items (ALIs) and for systems items (CMRs). This section also includes mandatory replacement times, inspection intervals and related inspection procedures resulting from custom installations and/or repairs on Principal Structural Elements (PSEs). The information contained in the Airworthiness Limitations section may be changed to reflect service and/or test experience of new analysis methods but only with the approval of Transport Canada. **Airworthiness Limitations Items**

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### A required periodic task, established as a result of fatigue analysis or damage tolerance analysis carried out on each PSE as part of certification of the airplane as an operating limitation of the type certificate. **CL−604 TIME LIMITS/MAINTENANCE CHECKS**



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### Certification Maintenance Requirements

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### Items derived from the Airworthiness Limitation Section of the Instructions for Continued Airworthiness which specify mandatory periodic tasks, established during the design certification of the airplane as an operating limitation of the type certificate. CMRs are a subset of the tasks identified during the type certification process. CMRs usually result from a formal, numerical analysis conducted to show compliance with catastrophic and hazardous failure conditions. **Corrosion**

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### The gradual deterioration of a metal or alloy as a result of chemical interaction with its environment. **Corrosion − Level 1**

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### Corrosion damage that does not require structural reinforcement or replacement; or

— 

### Corrosion occurring between successive inspections exceeds allowable limits, but is local and can be attributed to an event not typical of operator usage of other aircraft in the same fleet (e.g. Mercury spill). **Damage Tolerant**

— 

### A qualification standard for aircraft structure. An item is judged to be damage tolerant if it can sustain damage and the remaining structure can withstand reasonable loads without structural failure or excessive structural deformation until the damage is detected. **Direct Adverse Effect on Operating Safety**

— 

### Direct − To be direct, the functional failure or resulting secondary damage must achieve its effect by itself, not in combination with other functional failures (no redundancy exists and it is a primary dispatch item) **Adverse Effect on Safety −** This implies that the consequences are extremely serious or possibly catastrophic and might cause the loss of aircraft or injury to occupants. **Operating −** This is defined as the time interval during which passengers and crew are on board for the purpose of flight. **Discard**

— 

### The removal from service of an item at a specified time limit. **Economic Effects**

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### Failure effects which do not prevent aircraft operation, but are economically undesirable due to added labor and material cost for aircraft or shop repair. **Engine Hours**

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### Accumulated time interval between wheels−off to wheels−on. **Environmental Deterioration**

— 

### Physical deterioration of the strength or resistance to failure of an item as a result of chemical interaction with its climate or environment. **Failure**

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### The inability of an item to perform within previously specified limits. **Failure Cause**

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### Why the functional failure occurs. **Failure Effect**

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### That which is the result of a functional failure. **Fatigue Damage**

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### The initiation of a crack or cracks due to cyclic loads and subsequent propagation. **CL−604 TIME LIMITS/MAINTENANCE CHECKS**



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### Fleet Leader Concept

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### The concentration of sample inspections on the pieces of equipment which have the highest operating ages to identify the first evidence of changes in their condition with increasing age. **Flight Hours**

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### Accumulated time interval between wheels−off to wheels−on **Function**

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### The normal characteristic actions of an item. **Functional Test**

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### A quantitative test to determine if one or more functions of an item performs within specified limits. **Functional Failure**

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### How an item failed to perform its function. **Hidden Function**

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### A function which is normally active and whose cessation will not be evident to the operating crew during performances of normal duties.

— 

### A function which is normally inactive and whose readiness to perform, prior to it being needed, will not be evident to the operating crew during performance of normal duties. **Inherent Level of Reliability and Safety**

— 

### That level which is built into the unit and, therefore, inherent in its design. This is the highest level of reliability and safety that can be expected from a unit, system, or aircraft if it receives effective maintenance. To achieve higher levels of reliability generally requires modification or redesign. **Inspection**

— 

### An examination of an item against a specific standard. **Inspection − Detailed**

— 

### An intensive visual examination of a specific structural area, system installation or assembly to detect damage, failure or irregularity. Available lighting is normally supplemented with a direct source of good lighting at an intensity deemed appropriate by the inspector. Inspection aids such as mirrors, hand lens, borescope, etc., surface cleaning and elaborate access procedures may be required. **Inspection − General Visual** A visual examination of an interior or exterior area, installation or assembly, to detect obvious damage, failure or irregularity. This level of inspection is made under normally available lighting conditions such as daylight, hangar lighting, flashlight or drop−light and may require removal or opening of access panels or doors. Stands, ladders or platforms may be required to gain proximity to the area being checked. A General Visual Inspection cannot be a candidate for transfer to Zonal Working Group if originated from route 5 or 8. **Inspection − Special Detailed**

— 

### An intensive examination of a specific item(s), installation, or assembly to detect damage, failure or irregularity. The examination is likely to make extensive use of specialized Inspection Techniques and/or equipment. Intricate cleaning and substantial access or disassembly procedure may be required. **Item**

— 

### Any level of hardware assembly (i.e.: system, sub−system, module, accessory, component, unit, part etc.). **Landing**

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### A sequence covering the approach and touchdown phases. Each touch−and−go operation is considered a landing. **CL−604 TIME LIMITS/MAINTENANCE CHECKS**



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### Life−Limited Items

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### An item which must be removed from service and discarded before a specified time is achieved. **Lubrication and Servicing**

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### Any act of lubricating or servicing for the purpose of maintaining inherent design capabilities. **Maintenance Significant Item**

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### Items identified by the manufacturer whose failure: − could affect safety (on ground or in flight), and/or − is undetectable during operations, and/or − could have significant operational impact, and/or − could have significant economic impact. **Multiple Site Fatigue Damage**

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### The presence of a number of adjacent small cracks that might coalesce to form a single long crack. **Operating Crew Normal Duties**

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### Operating Crew

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### Qualified cockpit and cabin attendant personnel who are on duty. **Normal Duties**

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### Those duties associated with the routine operation of the aircraft, on a daily basis, to include the following: − Procedures and checks performed during aircraft operation − Recognition of abnormalities or failures by the operating crew through the use of normal physical senses (e.g. odor, noise, vibration, temperature, visual observation of damage or failure, changes in physical input force requirements, etc.). **Operational Effects**

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### Failure effects which interfere with the completion of the aircraft mission. These failures cause delays, cancellations, ground or flight interruptions, high drag coefficients, altitude restrictions, etc. **Operational Test**

— 

### An operational test is a task to determine that an item is fulfilling its intended purpose. This test does not require quantitative tolerances. This is a failure finding task. **Other Structure**

— 

### Structure which is judged not to be a Structural Significant Item. "Other Structure" is defined both externally and internally within zonal boundaries. **Principal Structural Element (PSE)**

— 

### Elements of Primary Structure which contribute significantly to carrying flight, ground, pressurization or control loads, and whose failure could result in catastrophic failure of the airplane. PSEs are a subset of SSIs (every PSE is an SSI or contained within an SSI). **Residual Strength**

— 

### The strength of a damaged structure. **Restoration**

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### That work necessary to return an item to a specific standard. Restoration may vary from cleaning or replacement of single parts up to a complete overhaul. **CL−604 TIME LIMITS/MAINTENANCE CHECKS**



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### Safe Life Limit

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### A term applied to items which must be modified or removed from service at or before the specified life limit, determined by the likely occurrence of age related failure. **Safe Life Structure**

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### Structure which is not practical to design or qualify as damage tolerant. Its reliability is protected by discard limits which remove items from service before fatigue cracking is expected. **Scheduled Maintenance Check**

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### Any of the maintenance opportunities which are prepackaged and are accomplished on a regular basis. **Structural Assembly**

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### One or more structural elements which together provide a basic structural function. **Structural Detail**

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### The lowest structural level in an aircraft structure. A discrete region or area of a structural element, or a boundary intersection of two or more elements. **Structural Element**

— 

### Two or more structural details which together form an identified manufacturer’s assembly part. **Structural Function**

— 

### The mode of action of aircraft structure. It includes acceptance and transfer of specific loads in items (details/elements/assemblies) and provides consistently adequate aircraft response and flight characteristics. **Structural Significant Item**

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### Any detail, element or assembly which contributes significantly to carrying flight, ground, pressure or control loads and whose failure could affect the structural integrity necessary for the safety of the aircraft. **Tasks − Maintenance**

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### An action or set of actions required to achieve a desired outcome which restores an item to or maintains an item in serviceable condition, including inspection and determination of condition. **Threshold**

— 

### The initial accomplishment of a specific maintenance task expressed in flight cycle, flight hours, and/or calendar time. **Visual Check** A visual check is an observation to determine that an item is fulfilling its intended purpose. Does not require quantitative tolerances. This is a failure finding task.
**5. Abbreviations** AC

— 

### Advisory Circular ACO

— 

### Aircraft Certification Office AD

— 

### Accidental Damage AEG

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### Aircraft Evaluation Group ALI

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### Airworthiness Limitation Item AMA

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### Airworthiness Manual Advisory AMM

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### Aircraft Maintenance Manual **CL−604 TIME LIMITS/MAINTENANCE CHECKS**



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### AMTOSS

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### Aircraft Maintenance Task Oriented Support System APU

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### Auxiliary Power Unit ATA

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### Air Transport Association of America ATC

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### Air Traffic Control BBAD

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### Bombardier Business Aircraft Division BL

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### Buttock Line CIC

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### Corrosion Inhibiting Compound CMM

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### Component Maintenance Manual CMR

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### Certification Maintenance Requirement CPCP

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### Corrosion Prevention and Control Program CRES

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### Corrosion Resistant Steel DI

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### Detailed Inspection DME

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### Distance Measuring Equipment DOT

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### Department of Transport DTR

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### Damage Tolerance Rating ED

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### Environmental Deterioration FAA

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### Federal Aviation Administration FAR

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### Federal Aviation Regulation FC

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### Flight Cycles FD

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### Fatigue Damage FMS

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### Flight Management System FOD

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### Foreign Object Damage FS

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### Fuselage Station GVI

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### General Visual Inspection H

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### Hours ISC

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### Industry Steering Committee IWG

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### Industry Working Group JAA

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### Joint Aviation Authorities JAR

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### Joint Aviation Requirements L

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### Landings **CL−604 TIME LIMITS/MAINTENANCE CHECKS**



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### LBL

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### Left Buttock Line LEP

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### List of Effective Pages LRU

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### Line Replaceable Unit M

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### Months MEL

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### Minimum Equipment List MMEL

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### Master Minimum Equipment List MLG

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### Main Landing Gear MPD

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### Maintenance Planning Document MPE

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### Maintenance Planning Engineering MPP

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### Maintenance Program Proposal MPS

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### Material Process Specification MRB

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### Maintenance Review Board MSG−3 − Maintenance Steering Group − 3rd Task Force MSI

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### Maintenance Significant Item MTBF

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### Mean Time Between Failure MTBUR

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### Mean Time Between Unscheduled Removal NDI

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### Non−Destructive Inspection NDT

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### Non−Destructive Test NLG

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### Nose Landing Gear P/N

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### Part Number PPH

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### Policy and Procedures Handbook PROP

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### Propulsion PSE

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### Principal Structural Element R

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### Repeat RBL

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### Right Buttock Line REF

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### Reference REO

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### Repair Engineering Order REV

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### Revision SB

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### Service Bulletin SDI

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### SID

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### Supplemental Inspection Document SIP

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### Structural Inspection Program SRM

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### Structural Repair Manual SSA

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### System Safety Analysis SSI

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### Structural Significant Item STR

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### Stringer SWG

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### Structure Working Group SYS

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### System T

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### Threshold TBD

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### To Be Determined TC

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### Transport Canada TR

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### Temporary Revision TSOP

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### Technical Support Operating Procedure VS

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### Vertical Stabilizer WG

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### Working Group WL

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### Water Line WS

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### Wing Stations ZIN

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### Zonal Identification Number ZL

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### Zonal ZWG

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### Zonal Working Group **CL−604 TIME LIMITS/MAINTENANCE CHECKS**



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### PART 2 **AIRWORTHINESS LIMITATIONS**

**NOTE:** This list represents only those TRs which are currently in use in Part 2 of this manual. 

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### LIST OF EFFECTIVE TEMPORARY REVISIONS NO TEMPORARY REVISIONS ARE APPLICABLE AT THIS TIME
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### LIFE LIMITS (STRUCTURES) 1. The structural life limits of the Safe−Life items shown on the pages that follow are taken from the Structural Airworthiness Control Document. Discard is mandatory at the expiration of the specified structural life limit for the item. These life limit values may be superceded by the life limits contained in section 5−10−19, for specific serialized components. NOTE : Individual Main and Nose Landing gear component utilization must be recorded from the time of initial installation. **CL−604 TIME LIMITS/MAINTENANCE CHECKS**



### EFFECTIVITY: ALL 

# PART 2 5−10−10 Page 1 Mar 16/2011RAS604−990Rev. NC27−15−04−101 *(one star)Discard of the Aileron Antifloat Spring, Part No.600−10057−5/−6.10000 LCOMPONENTRAS604−990Rev. G3227−42−01−101 *(one star)Discard of the Horizontal Stabilizer Trim Actuator (HSTA),Part No. 604−92305−3/5/7 (Vendor Part No. 8454−1/2/3).20000 LCOMPONENTRAS604−990Rev. G3227−42−01−104 *(one star)Discard of the Horizontal Stabilizer Trim Actuator (HSTA)Secondary Gearbox Housing, Part No. 261881804(applicable to HSTA, Part No. 8454−3 only)**NOTE**: Return HSTA to vendor for housing replacement.8070 HCOMPONENTor 7110 LCOMPONENTwhicheveroccurs firstRAS604−990Rev. G3227−42−01−108*(one star)Discard of the Horizontal−Stabilizer Trim−Actuator (HSTA)Trunnion Support; Part No. 601R92386−1/−3 andHardware; Part No.s NAS6206−8D/−14D/−20D20000 LCOMPONENTRAS604−990Rev. G1332−11−00−102 *(one star)Discard of the Main Landing Gear (MLG) Fitting, Part No.19062−1/−2 (NHA19064−103/−104).19250 LCOMPONENTRAS604−990Rev. G1332−11−00−103 *(one star)Discard of the Main Landing Gear (MLG) Pintle Pin, PartNo. 19038−3.19250 LCOMPONENTRAS604−990Rev. G1332−11−07−101 *(one star)Discard of the MLG Shock Strut Upper Pin, Part No.19134−3.19250 LCOMPONENTRAS604−990Rev. G1332−11−07−102 *(one star)Discard of the MLG Shock Strut Lower Pin, Part No.19146−3.19250 LCOMPONENT

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# PART 2 **CL−604 TIME LIMITS/MAINTENANCE CHECKS**

EFFECTIVITY: ALL**Source Document Ref. No. Chapter 5 Task No. Task Title Task Interval**RAS604−990Rev. G1332−11−07−103 *(one star)Discard of the MLG Shock Strut Piston, Part No.19114−1/−3 (NHA 19115−101/−103).19250 LCOMPONENTRAS604−990Rev. G1332−11−07−104 *(one star)Discard of the MLG Shock Strut Cylinder, Part No.19104−1/−3 (NHA 19105−101/−103).19250 LCOMPONENTRAS604−990Rev. G1332−11−10−101 *(one star)Discard of the Main Landing Gear (MLG) Trailing Arm, PartNo. 19083−3 (NHA 19084−103).36430 LCOMPONENTRAS604−990Rev. G1332−11−10−102 *(one star)Discard of the MLG Main Fitting/Trailing Arm Pivot Pin, PartNo. 19039−1.19250 LCOMPONENTRAS604−990Rev. G1332−11−13−101 *(one star)Discard of the Main Landing Gear (MLG) Axle, Part No.19050−3.19250 LCOMPONENTRAS604−990Rev. G832−21−00−102 *(one star)Discard of the NLG Main Fitting, Part No. 200811316 or20091−1 (NHA 200811269 or 20090−101).19480 LCOMPONENTRAS604−990Rev. G832−21−00−103 *(one star)Discard of the NLG Pivot (Trunion) Pin (Main Fitting toAircraft), Part No. 200811601.19480 LCOMPONENTRAS604−990Rev. G832−21−00−104 *(one star)Discard of the NLG Shock Strut Sliding Tube, Part No.200811707.19480 LCOMPONENTRAS604−990Rev. G832−21−00−105 *(one star)Discard of the NLG Drag Brace Lower Link, Part No.200814311 (NHA 200814213).19480 LCOMPONENTRAS604−990Rev. G2232−21−00−106 *(one star)Discard of the NLG Drag Brace Upper Link, Part No.20049−1/−3 (NHA 20050−101).19480 LCOMPONENT

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# PART 2 **CL−604 TIME LIMITS/MAINTENANCE CHECKS**

EFFECTIVITY: ALL**Source Document Ref. No. Chapter 5 Task No. Task Title Task Interval**RAS604−990Rev. G832−21−00−107 *(one star)Discard of the NLG Drag Brace Hinge Pin, Part No.200814624.19480 LCOMPONENTRAS604−990Rev. G832−21−07−102 *(one star)Discard of the NLG Attachment Pin (Main Fitting to DragBrace), Part No. 200811721.19480 LCOMPONENTRAS604−990Rev. G832−21−07−103 *(one star)Discard of the NLG Drag Brace Upper Pivot Pin, Part No.200814601.19480 LCOMPONENTRAS604−990Rev. G832−21−13−101 *(one star)Discard of the NLG Axle Fitting, Part No. 200811308 (NHA200811218).19480 LCOMPONENTRAS604−990Rev. G832−21−13−102 *(one star)Discard of the NLG Pin, Sliding Tube to End Fitting, PartNo. 200811602.19480 LCOMPONENTRAS604−990Rev. G1332−32−01−102 *(one star)Discard of the Main Landing Gear (MLG) Stay Side Pin,Part No. 6318−1/−3 (NHA 6350−1/−3).19250 LCOMPONENTRAS604−990Rev. G1332−32−01−103 *(one star)Discard of the Main Landing Gear (MLG)Side−Stay−Actuator Eye−Bolt (Rod−End), Part No.19400−2 (NHA 19400−1).43890 LCOMPONENTRAS604−990Rev. G1332−32−01−104 *(one star)Discard of the Main Landing Gear (MLG) Side StayActuator Cylinder, Part No. 17027−8 (NHA 17027−9).43890 LCOMPONENTRAS604−990Rev. G2232−32−01−105 *(one star)Discard of the Main Landing Gear (MLG) Side StayActuator Piston, Part No. 17014−6/−8.43890 LCOMPONENTRAS604−990Rev. G1332−32−04−101 *(one star)Discard of the Main Landing Gear (MLG) Uplock Assembly,Part No. 601R85001−11.140291 LCOMPONENT

Jul 08/2013 

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# PART 2 **CL−604 TIME LIMITS/MAINTENANCE CHECKS**

EFFECTIVITY: ALL**Source Document Ref. No. Chapter 5 Task No. Task Title Task Interval**RAS604−990Rev. G632−33−04−101 *(one star)Discard of the Nose Landing Gear (NLG) Uplock Assembly,Part No. 601R85002−9/91.57229 LCOMPONENTRAS604−990Rev. G2457−24−00−101 *(one star)Discard of the Main Landing Gear (MLG) Side Brace FittingShaft, Part No. 601R10237−1/−360000 LCOMPONENTRAS604−990Rev. G9 4.1.7857−50−00−120 *(one star)Discard of the Inboard Flap Vane Beam, Part No.600−14250−15/25/27/29.9600 LCOMPONENT

Jul 08/2013 

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# PART 2 **CL−604 TIME LIMITS/MAINTENANCE CHECKS**

EFFECTIVITY: ALL**Source Document Ref. No. Chapter 5 Task No. Task Title Task Interval**RBR604−300Rev. F9 Add 429−10−00−102*(one star)Discard of the Hydraulic Accumulator Assembly, Part No.601R75138−3 (08−60164−002)**NOTE**: This task is only applicable to accumulatorsidentified with "TNAE" after the serial number.29300 LCOMPONENTRBR604−300Rev. A78−32−04−101 *(one star)Discard of the Thrust Reverser Ballscrew Actuator, Part No.228−58111−111.50000 HCOMPONENTWithoutoverhaul

Jul 08/2013 

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# PART 2 **CL−604 TIME LIMITS/MAINTENANCE CHECKS**

EFFECTIVITY: ALL**Source Document Ref. No. Chapter 5 Task No. Task Title Task Interval**RAS604−990Rev. A 4.4.28Rev. A 4.4.29Rev. A 4.4.3053−30−00−138 *(one star)Detailed Inspection of the Splices and Stringers (L&R)between Frames − VS55.625% and VS67.5%.**T**7800 L**R**7800 LRAS604−990Rev. G4 4.4.3253−30−00−139 *(one star)SpecialDetailed Inspection of the Rear Pressure BulkheadWeb Cutout − RBL13.05, WL63.80 (A/C 5380 only).**T**3959 L**R**2534 LRAS604−990Rev. G29 4.4.253−30−00−154 *(one star)Special Detailed Inspection of the Rear Pressure BulkheadWeb − FS621.00 Fwd Face**T**7800 L**R**4360 LRAS604−990Rev. G26 4.4.3353−30−00−155 *(one star)Detailed Inspection of the Engine Support Beam**T**7800 L**R**1100 LRAS604−990Rev. G27 4.4.3453−30−00−157 *(one star)Special Detailed Inspection of the Bonded Doubler AlongSkin Splice Sealant Aft of FS617.00**T**7800 L**R**2500 LRAS604−990Rev. G30 4.4.3553−30−00−158 *(one star)Detailed Inspection of the Fuselage Skin Around the LDSAntenna between FS736.00 and FS755.00, and Stringers26R and 26L, (Post SB 604−34−063)**T**7800 L**R**7800 LRAS604−990Rev. G33 4.3.5253−30−00−159 *(one star)Special Detailed Inspection of the Splice Strap and Skin atStringer 20L and 20R between FS559.00 and FS621.00**T**7800 L**R**2817 L

Jul 08/2013 

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# PART 2 **CL−604 TIME LIMITS/MAINTENANCE CHECKS**

EFFECTIVITY: ALL**Source Document Ref. No. Chapter 5 Task No. Task Title Task Interval**RAS604−990Rev. A 4.4.1854−50−00−101 *(one star)Detailed Inspection of the Pylon Upper Skin − FS682.**T**7800 L**R**3233 LRAS604−990Rev. A 4.4.1954−50−00−102 *(one star)Detailed Inspection of the Upper Splice of the Pylon CantedRib − FS672.2.**T**7800 L**R**7800 LRAS604−990Rev. G31 4.7.454−50−00−103 *(one star)Special Detailed Inspection of the Aft Engine−MountUpper−Cap from FS672.00 to FS682.00**T**7800 L**R**1677 L

Jul 08/2013 

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# PART 2 **CL−604 TIME LIMITS/MAINTENANCE CHECKS**

EFFECTIVITY: ALL**Source Document Ref. No. Chapter 5 Task No. Task Title Task Interval**RAS604−990Rev. NC 4.1.5057−30−00−101 *(one star)Detailed Inspection of the External Surfaces of the WingTip.**T**4800 L**R**1200 LRAS604−990Rev. A 4.1.5757−50−00−101 *(one star)Special Detailed Inspection of the Outboard Flap FrontSpar.**T**7800 L**R**5233 LRAS604−990Rev. A 4.1.5857−50−00−102 *(one star)Special Detailed Inspection of the Vane Tangs (EndSupport) of the Outboard Flap.**T**7800 L**R**3092 LRAS604−990Rev. A 4.1.5957−50−00−103 *(one star)Special Detailed Inspection of the Forward Lugs of theOutboard Flap.**T**7800 L**R**4150 LRAS604−990Rev. A 4.1.6057−50−00−104 *(one star)Special Detailed Inspection of the Forward Upper Lugs ofthe Outboard Flap Arm − WS220.**T**7800 L**R**1340 LRAS604−990Rev. A 4.1.6157−50−00−105 *(one star)Special Detailed Inspection of the Vane Mid−SupportFittings of the Outboard Flap.**T**7800 L**R**2200 LRAS604−990Rev. A 4.1.6257−50−00−106 *(one star)Detailed Inspection of the Vane Support Fitting of theOutboard Flap.**T**7800 L**R**1700 LRAS604−990Rev. A 4.1.6457−50−00−107 *(one star)Special Detailed Inspection of the Forward Lugs of theInboard Flap.**T**7800 L**R**3500 LRAS604−990Rev. A 4.1.6557−50−00−108 *(one star)Special Detailed Inspection of the Inboard Flap HingeBoxes.**T**5300 L**R**4250 LRAS604−990Rev. G30 4.1.6657−50−00−109 *(one star)SpecialDetailed Inspection of the Inboard Flap Front Spar.**T**7800 L**R**7800 L

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# PART 2 **CL−604 TIME LIMITS/MAINTENANCE CHECKS**

EFFECTIVITY: ALL**Source Document Ref. No. Chapter 5 Task No. Task Title Task Interval**RAS604−990Rev. A 4.1.6757−50−00−110 *(one star)Special Detailed Inspection of the Wing/Rib Backup Fittingof the Inboard Flaps − WS127.25.**T**7240 L**R**6783 LRAS604−990Rev. G11 4.1.6857−50−00−111 *(one star)Detailed Inspection of the Inboard Flap − Vane SupportAttachment Brackets.A/C 5301 to 5499, Post SB A604−27−007 witheither(1) No gaps/cracks at original bracket(2) Bracket replaced (with or without shims)(See NOTE 2)**T**7200 L**R**1800 L(3) Original bracket with shims added (SeeNOTE 2)**T**1800 L**R**1800 LA/C 5500 and Subs**NOTE**: 1. Inspections are to be done at pairs ofbrackets and intervals will be dictated by the onebracket which has the most frequent inspectionintervals.**NOTE**: 2. The inspection Threshold iscalculated from the incorporation date of SBA604−27−007.**T**7200 L**R**1800 LRAS604−990Rev. A 4.1.6957−50−00−112 *(one star)Special Detailed Inspection of the Carriages of the InboardFlap Vane.**T**7800 L**R**7800 LRAS604−990Rev. A 4.1.7057−50−00−113 *(one star)Special Detailed Inspection of the Inboard Flap Arms.**T**7800 L**R**1675 L

Mar 16/2011 

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# PART 2 **CL−604 TIME LIMITS/MAINTENANCE CHECKS**

EFFECTIVITY: ALL**Source Document Ref. No. Chapter 5 Task No. Task Title Task Interval**RAS604−990Rev. G27 4.1.7357−50−00−114 *(one star)Detailed Inspection of the Inboard Flap Fasteners −Hinge−Box Wing Forward−Fitting.**NOTE**: To avoid the 50 landing repeat inspection, it ispermissible to replace the Hi−Loks at 7800 landings. Thiswill reset the threshold at 7800 landings from the time ofreplacement.**T**7800 L**R**50 LSee NOTERAS604−990Rev. A 4.1.7557−50−00−116 *(one star)Special Detailed Inspection of the Intermediate Support ofthe Outboard Flap Vane.**T**7800 L**R**3725 LRAS604−990Rev. A 4.1.7657−50−00−117 *(one star)Special Detailed Inspection of the Support Struts of theOutboard Flap Vane.**T**7800 L**R**7102 LRAS604−990Rev. A 4.1.7757−50−00−118 *(one star)Special Detailed Inspection of the End Ramps of theOutboard Flap Vane.**T**7800 L**R**7800 LRAS604−990Rev. A 4.1.7857−50−00−119 *(one star)Special Detailed Inspection of the Flap Hinge Bolts.**T**7800 L**R**7800 LRAS604−990Rev. G344.1.6557−50−00−121*(one star)Special Detailed Inspection of the Forward Lugs of theInboard Flap Hinge Box**T**7800L**R**6647LRAS604−990Rev. A 4.1.5557−52−01−101 *(one star)Special Detailed Inspection of the Outboard FlapWing/Hinge−Forward Box Fittings.**T**7800 L**R**1400 LRAS604−990Rev. G344.1.5657−52−01−102 *(one star)Special Detailed Inspection of the Hinge−Box ForwardLugs of the Outboard Flap.**T**7800 L**R**3610LRAS604−990Rev. A 4.1.6357−52−01−103 *(one star)Special Detailed Inspection of the Hinge Box Supports ofthe Outboard Flap.**T**7800 L**R**3050 L

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# PART 2 **CL−604 TIME LIMITS/MAINTENANCE CHECKS**

EFFECTIVITY: ALL**Source Document Ref. No. Chapter 5 Task No. Task Title Task Interval**RAS604−990Rev. G1 4.1.71.157−60−00−101 *(one star)Detailed Inspection of the Aileron.**T**1867 L**R**1867 LRAS604−990Rev. A 4.1.71.257−60−00−102 *(one star)Detailed Inspection of the Aileron Upper and Lower Skinsand Front Spar.**T**7800 L**R**2400 LRAS604−990Rev. A 4.1.71.357−60−00−103 *(one star)Detailed Inspection of the Hinge Bolts of the Aileron.**T**4800 L**R**4800 LRAS604−990Rev. A 4.1.72.157−70−00−101 *(one star)Special Detailed Inspection of the Flight Spoiler.**T**1200 L**R**1200 LRAS604−990Rev. A 4.1.72.257−70−00−102 *(one star)Detailed Inspection of the Upper and Lower Skins of theFlight Spoiler.**T**7800 L**R**7800 LRAS604−990Rev. A 4.1.72.357−70−00−103 *(one star)Detailed Inspection of the Hinge Bolts of the Flight Spoiler.**T**4800 L**R**4800 L

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# PART 2 **CL−604 TIME LIMITS/MAINTENANCE CHECKS**

EFFECTIVITY: ALL**Source Document Ref. No. Chapter 5 Task No. Task Title Task Interval**RBR604−112Rev. C−2 7.1.427−35−01−103 *(one star)Functional Test of the Stall Protection System(SPS) Flap Input (Aircraft 5301 to 5560 Pre SB604−27−005)100 H 10 HRBR604−112Rev. C−2 7.1.3, 7.1.627−35−01−104 *(one star)Functional Test of the Phase Advance andSideslip Compensation (Aircraft 5301 to 5560Pre SB 604−27−005)400 H 40 HRBR604−112Rev. C−2 7.1.827−35−01−105 **(two stars)Functional Test for the Flap and SideslipCompensation Monitor of the Stall ProtectionSystem (Aircraft 5561 and Subs and 5301 to5560 Post SB 604−27−005)4800 H 40 H27−35−04−101 *(one star)Functional Test of the Angle of Attack (AOA)Transducer LinearityRSI C−1830Rev. NC N/APart Numbers 600−59154−1 and600−59154−3**NOTE**: The 300 hour COMPONENTcheck interval starts at the most recentof the following:− the installation date− the incorporation date of SBA604−27−011 PART A− the last time SB A604−27−011 PARTC was done300 HCOMPONENTN/ARBR604−300Rev. E3.10.1Part Number 600−59154−5 100HCOMPONENTN/A

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# PART 2 **CL−604 TIME LIMITS/MAINTENANCE CHECKS**

EFFECTIVITY: ALL**Source Document Ref. No. Chapter 5 Task No. Task Title Task Interval Allowable** **Extension**RBR604−112Rev. C−1 7.1.1027−35−04−102 *(one star)Restoration of the Angle of Attack (AOA)Transducer, Part No. 600−59154−57200 HCOMPONENTN/ARBR604−300Rev. E 3.11.127−35−10−101 **(two stars)Functional Test for the Stall Protection System(SPS) Stick Pusher Capstan Shaft, Part No.600−59156−7 (Vendor Part No. 501−1258−01)**PHASE−IN**This task must be accomplished ator before the next 1600 hour inspection.1600 H 40 HRBR604−103Rev. C−3 Add 27.1.127−41−00−101**(two stars)Operational Test (BITE) of theHorizontal−Stabilizer Trim−Control System(HSTCS)**PHASE−IN:**For aircraft with more than 400hours since task 27−41−00−201 was done, thistask must be accomplished at or before the next400 hour inspection but no later than May 01,2013, whichever occurs first.400H 40HRBR604−103Rev. C−3 Add 27.1.1327−42−01−106**(two stars)Visual Check of the Horizontal Stabilizer TrimActuator (HSTA) Primary Spur Gear, Part No.604−92305−7 (Vendor Part No. 8454−3)**NOTE**: This visual check must be done by thevendor.60M 1MRBR604−103Rev. C−3 Add 27.1.1227−42−01−107*(one star)Functional Test of the Horizontal−StabilizerTrim−Actuator (HSTA) Torque Limiter No. 2,Part No. 604−92305−7 (Vendor Part No.8454−3)**NOTE**: This functional test must be done by thevendor.13260H N/A

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# PART 2 **CL−604 TIME LIMITS/MAINTENANCE CHECKS**

EFFECTIVITY: ALL**Source Document Ref. No. Chapter 5 Task No. Task Title Task Interval Allowable** **Extension**

# Revision O dated Feb 22/2013, **for the Canadair Challenger Model CL−600−2B16 (CL−604) Serial No. 5301 to 5665**  **CL−604 TIME LIMITS/MAINTENANCE CHECKS MAINTENANCE REVIEW BOARD REPORT** 



# PART 3
**MAINTENANCE REVIEW BOARD REPORT**

PART 3 Cover Feb 22/2013

### TRANSPORT CANADA APPROVAL PAGE

This report (revision O, dated Feb 22, 2013) outlines the initial minimum scheduled maintenance/inspection requirements to be used in the development of an approved continuous maintenance program for the airframe, engines, systems, and components of the CL−600−2B16 (CL−604) aircraft. The tasks and their frequencies listed in this report form part of the Instructions for Continued Airworthiness as required by AWM 525.1529, Appendix H. The requirements in this MRB report have been developed using the Maintenance Program Development Document, MSG−3, Revision 2, process and logic. Transport Canada hereby approves this MRB report for use by Canadian operators of all CL−600−2B16 (CL−604) aircraft. This MRB report is intended to assist operators in the development process of an initial maintenance program that is compatible with current regulations/policies.

Signed: (Signed original page on file at Bombardier) Allan Howell CL−604 MRB Chairperson File No. AARD5015−3−A571 Date: Apr 12/2013 **CL−604 TIME LIMITS/MAINTENANCE CHECKS MAINTENANCE REVIEW BOARD REPORT** 

Feb 22/2013

### FAA ACCEPTANCE PAGE

This MRB report (revision O) outlines the minimum scheduled interval/tasking requirements to be used in the development of an approved maintenance/inspection program for the airframe, engines, systems, and components of the CL−600−2B16 (CL−604) aircraft. The requirements in this MRB report have been developed using the Maintenance Program Development Document, MSG−3, Revision 2 logic. The Federal Aviation Administration hereby accepts this report for use by United States certified operators of the CL−600−2B16 (CL−604) aircraft.

Signed: (Signed original page on file at Bombardier) Joe Boini Federal Aviation Administration CL604 MRB Chairperson Date: Mar 12/2013 **CL−604 TIME LIMITS/MAINTENANCE CHECKS MAINTENANCE REVIEW BOARD REPORT** 

Feb 22/2013

### EUROPEAN AVIATION SAFETY AGENCY (EASA) ACCEPTANCE PAGE

This report (revision O) outlines the initial minimum maintenance/inspection requirements to be used in the development of an approved continuous maintenance program for the airframe, engines, systems and components of the Bombardier Challenger 604 aircraft. The tasks and their frequencies listed in this report form part of the Instructions for Continued Airworthiness as required by CS 25.1529, Appendix H. The requirements in this MRB report have been developed using the Maintenance Steering Group (MSG−3) logic. The European Aviation Safety Agency (EASA) herby agrees that this report can be used as a starting basis for use by the continuing airworthiness management of Bombardier Challenger 604 model aircraft according to annex l of regulation EC2042/2003 (Part M) as amended.

Signed: (Signed original page on file at Bombardier) Francis Jouvard European Aviation Safety Agency (EASA) MRB Section Manager Date: Apr 12/2013 **CL−604 TIME LIMITS/MAINTENANCE CHECKS MAINTENANCE REVIEW BOARD REPORT** 

Feb 22/2013Title Page Cover Feb 22/2013

20130222 Transport Canada Approval Page Feb 22/2013

20130222 FAA Acceptance Page Feb 22/2013

20130222 European Aviation Safety Agency (EASA) Acceptance Page Feb 22/2013

20130222 Effective Pages 1 Feb 22/2013

20130222 2 Feb 02/2012

20120202 Effective Temporary Revisions 1 Feb 22/2013

20130222 Contents 1 Mar 14/2011

20110314 2 Mar 14/2011

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20100511 **CL−604 TIME LIMITS/MAINTENANCE CHECKS MAINTENANCE REVIEW BOARD REPORT**  

### PART 3 **MAINTENANCE REVIEW BOARD REPORT**



# PART 3 Page 1 Feb 22/2013 

### LIST OF EFFECTIVE PAGES
**Section Effectivity Page Date Section Effectivity Page Date**



### EFFECTIVITY: ALL 

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# PART 3 Page 2 Feb 02/2012 **Section Effectivity Page Date Section Effectivity Page Date**



### EFFECTIVITY: ALL 

# EFFECTIVE PAGES**CL−604 TIME LIMITS/MAINTENANCE CHECKS MAINTENANCE REVIEW BOARD REPORT** 


### PART 3 **MAINTENANCE REVIEW BOARD REPORT**

**NOTE:** This list represents only those TRs which are currently in use in Part 3 of this manual. 

# PART 3 EFFECTIVE Page 1 Feb 22/2013 

### LIST OF EFFECTIVE TEMPORARY REVISIONS NO TEMPORARY REVISIONS ARE APPLICABLE AT THIS TIME
**TEMPORARY REV. NO.**  **PART, SECTION AND PAGE NO.**  **ISSUE DATE**  **DATE INSERTED**  **INSERTED BY**  **DATE REMOVED**  **REMOVED BY** 



### EFFECTIVITY: ALL 

# TEMPORARY REVISIONS

### 3. Program Notes The purpose of the following general program notes is to provide a single source of information that may be referenced repeatedly throughout the Tasks and Intervals Tables in the avionics, systems, powerplant, structures and zonal maintenance programs.

Note 2: Not to exceed Vendor recommendation. Note 3: Task and interval may be part of the operator’s National Regulations. Whenever a task has two intervals, one being Note 3", the greater interval is recommended. When a National Regulation does not exist, the MRB Report interval shall be followed. Note 7: Functional Testing (Hydrostatic) and discard of the fire extinguisher containers will be accomplished in accordance with the operator’s national requirements. Note 10: The life limits and calculation of cycles of individual APU components are published in Allied Signal Component Maintenance Manual (CMM) GTCP36−100(E), 49−20−00. Note 11: Functional Testing (Hydrostatic) and Discard of the Oxygen Cylinders shall be accomplished in accordance with the operator’s national requirements. Note 13: This is a phase−in rule for task 36−10−00−202 (TLMC section 5−21−10). (1) For aircraft with Check Valve, Part No. 3202832−1−1 installed less than 800 APU H prior to incorporation of Temporary Revision 5−3−6 (issue date: Sep 10, 2001): Carry out discard task 36−10−00−202 before reaching 800 APU H installed. (2) For aircraft with Check Valve, Part No. 3202832−1−1 installed more than 800 APU H prior to incorporation of Temporary Revision 5−3−6 (issue date: Sep 10, 2001): Carry out discard task 36−10−00−202 at the earliest opportunity, but no later than 100 APU H after incorporation of Temporary Revision 5−3−6 (issue date: Sep 10, 2001). **CL−604 TIME LIMITS/MAINTENANCE CHECKS MAINTENANCE REVIEW BOARD REPORT** 



### EFFECTIVITY: ALL 

# PART 3 5−20−05 Page 3 Feb 22/2013

### (3) For aircraft with Check Valve, Part No. 3202072−X−X or 601R95600−963 installed less than 2400 APU H prior to incorporation of Temporary Revision 5−3−6 (issue date: Sep 10, 2001): Carry out discard task 36−10−00−202 before reaching 2400 APU H installed. (4) For aircraft with Check Valve, Part No. 3202072−X−X or 601R95600−963 installed more than 2400 APU H prior to incorporation of Temporary Revision 5−3−6 (issue date: Sep 10, 2001): Carry out discard task 36−10−00−202 at the earliest opportunity, but no later than 100 APU H from incorporation of Temporary Revision 5−3−6 (issue date: Sep 10, 2001). Note 14: Discard at the manufacturer’s expiration date. Note 15: Initial interval is calculated from the date of manufacture of the item. Note 16: The intent of this MRBR task is also covered under a CMR or a Life Limit. Refer to TLMC section 5−10−11 or 5−10−40. An operator will have complied with the CMR or Life Limit and MRBR requirement by completing the task with the most restrictive interval. Note 17: The ABSC Wheels Recommended Inspection Schedule found in this program note is copied from ABSC General Service Letter GS−SL−36 Revision No. 7. (Refer to CMM 32−42−28 for Main Wheels and 32−46−27 for Nose Wheels.) In case of discrepancy between this table and the wheel manufacturer’s publication, the later takes precedent. **Special Detailed Inspection Restoration**  **Additional Periodic Inspection**

**ABSC GS−SL−36 Section II paragraph “D"**  **Overhaul ABSC GS−SL−36 Section II paragraph “E"** 
**Tire Change**  **No. of Landings**  **Perform Inspection at Tire Change # or at the Next Tire Change after**  **noted No. of Landings Perform Inspection at Tire Change**  **# or at the Next Tire Change after noted No. of Landings**  

### 1 250 2 500 3 750 X 4 1000 5 1250 6 1500 X **CL−604 TIME LIMITS/MAINTENANCE CHECKS MAINTENANCE REVIEW BOARD REPORT** 



### EFFECTIVITY: ALL 

# PART 3 5−20−05 Page 4 Feb 22/2013**Special Detailed Inspection Restoration**  **Additional Periodic Inspection**

**ABSC GS−SL−36 Section II paragraph “D"**  **Overhaul ABSC GS−SL−36 Section II paragraph “E"** 
**Tire Change**  **No. of Landings**  **Perform Inspection at Tire Change # or at the Next Tire Change after**  **noted No. of Landings Perform Inspection at Tire Change**  **# or at the Next Tire Change after noted No. of Landings**  

### 7 1750 8 2000 9 2250 X 10 2500 11 2750 12 3000 X 13 3250 14 3500 X 15 3750 16 4000 X 17 4250 18 4500 X 19 4750 X 20 5000 X 21 5250 X 22 5500 X 23 5750 X 24 6000 X 25 6250 X 26 6500 X 27 6750 X 28 7000 X 29 7250 X 30 7500 X Note 18: The task due time is calculated from the date noted in the certification documentation. **CL−604 TIME LIMITS/MAINTENANCE CHECKS MAINTENANCE REVIEW BOARD REPORT** 



### EFFECTIVITY: ALL 

# PART 3 5−20−05 Page 5 Feb 22/2013273000−211 8 27−30−00−202General Visual Inspection of the ElevatorPower−Control−Unit (PCU) Centering−Spring.3200 H273000−209 8 27−30−00−209Operational Test of the Elevator Jam−Tolerant Mechanism. 3200 H273000−210 9 27−30−00−210Operational Test of the Load Limiter (Vertical Stabilizer). 3200 H273000−214 8 27−31−13−102 **(two stars)Functional Test of the Pitch Feel Simulator. 1600 HNOTE 16273000−201 8 27−32−00−101 *(one star)Operational Test of the Elevator Disconnect System. 800 HNOTE 16273000−215 8 27−33−01−201General Visual Inspection of the Elevator Balance Springs. 4800 H273000−212 8 27−34−04−101 *(one star)Functional Test of the Elevator Flutter Dampers. 4800 HNOTE 16273000−213 8 27−34−04−102 **(two stars)Detailed Inspection of the Elevator Flutter Dampers. 800 HNOTE 16273500−201 8 27−35−00−201Operational Test for the Single Channel of the StallProtection Computer.800 H273500−202 8 27−35−00−202Operational Test for the Dual Channel of the StallProtection Computer.800 H

May 11/2010 

# 5−21−10 Page 11



# PART 3 EFFECTIVITY: ALL **CL−604 TIME LIMITS/MAINTENANCE CHECKS MAINTENANCE REVIEW BOARD REPORT** **MSG−3 Task No. Route Chapter 5 Task No. Task Title Task Interval**274000−202 6, 8 27−40−00−202Detailed Inspection of the Horizontal−StabilizerTrim−Actuator Assembly.48 M274000−204 6 27−40−00−204Lubrication of the Horizontal StabilizerPitch−Trim−Actuator.48 M274000−205 9 27−40−00−205Operational Test of the Pitch Trim Switch. 800 H274000−206 8 27−40−00−206Operational Test of the Horizontal Stabilizer Trim System. 800 H274100−2018, 927−41−00−101**(two stars)Operational Test (BITE) of the Horizontal Stabilizer TrimControl System (HSTCS).800 HNOTE 16275000−201 8 27−50−00−201Functional Test of the Asymmetry/Overspeed Detector andBrake Unit.800 H275000−202 6 27−50−00−202Detailed Inspection of the Flexible Drive Shaft Assembly. 2400 H275000−203 6 27−50−00−203Lubrication of the Ball Nut of the Flap Actuators. 12 M275000−205 6 27−50−00−205Lubrication of the Flap Vane Actuator Rods. 12 M275000−206 6 27−50−00−206Lubrication of the Bent−Up Trailing Edge (BUTE) DoorHinge.12 M275000−207 8 27−50−00−207Visual Check of the Inboard and Outboard Flap Actuators. 800 H275000−208 8 27−50−00−208Functional Test of the Inboard and Outboard FlapActuators.2400 H

Feb 22/2013 

# 5−21−10 Page 12



# PART 3 EFFECTIVITY: ALL **CL−604 TIME LIMITS/MAINTENANCE CHECKS MAINTENANCE REVIEW BOARD REPORT** **MSG−3 Task No. Route Chapter 5 Task No. Task Title Task Interval**731000−201 6 73−10−00−201Discard of the Fuel Filter Element. 1600 Eng H731000−202 9 73−10−00−202Visual Check of the Engine Fuel−Filter MechanicalActual−Bypass Indicator.800 Eng H731000−204 8 73−10−00−204Detailed Inspection of the Engine Fuel Manifold. 1600 Eng H731000−205 6 73−10−00−205SpecialDetailed Inspection (Borescope) of the FuelInjectors.3200 Eng H732000−201 8 73−20−00−201Detailed Inspection of the Main Fuel Control. 3200 Eng H

Mar 14/2011 

# 5−21−10 Page 33



# PART 3 EFFECTIVITY: ALL **CL−604 TIME LIMITS/MAINTENANCE CHECKS MAINTENANCE REVIEW BOARD REPORT** **MSG−3 Task No. Route Chapter 5 Task No. Task Title Task Interval**740000−201 9 74−00−00−201Detailed Inspection of the Ceramic on the High VoltageIgniters1200 Eng H

Feb 22/2013 

# 5−21−10 Page 34



# PART 3 EFFECTIVITY: ALL **CL−604 TIME LIMITS/MAINTENANCE CHECKS MAINTENANCE REVIEW BOARD REPORT** **MSG−3 Task No. Route Chapter 5 Task No. Task Title Task Interval**