# Job Instruction Card

535100 DVI 10097

CUSTOMER: EFFECTIVITY: ATR42 42-400 42-500 DATE: 09/02/12 PAGE 1



# DVI OF FR26 FLOOR BEAM

AROUND CUT-OUTS FOR

COOLING & HYDRAU DUCTS

TECHNICAL DATA

ZONING DATA ZONE: 133, 134 ACCESS: 241BF, 241CF, 242BF, 242CF

PREPARATION

WORK : SKILL MEN MAN-HOURS

ELAPSED TIME :

GSE :

SPARE :

EXPENDABLE :

BULK MATERIAL :

PUBLICATION JIC : 252121-RAI-10000 REMOVAL AND INSTALLAT ION OF PASSENGER SEATS

JIC : 252821-RAI-10000 REMOVAL AND INSTALLAT ION OF PASSENGER COMPARTMENT FLOOR COVERING

JIC : 122351-PRO-10000 STRUCTURE CORROSION PROTECTION



### TASK DESCRIPTION

001 GENERAL INFORMATION CONCERNING THE INSPECTION

1. THIS CARD PROVIDES THE INFORMATION NECESSARY FOR PERFORMING SCHEDULED

# Job Instruction Card

535100 DVI 10097

CUSTOMER: EFFECTIVITY: ATR42 42-400 42-500 DATE: 09/02/12 PAGE 2

MAINTENANCE TASKS RESULTING FROM THE MSG-3 ANALYSIS DEFINED FOR THE DETAILED VISUAL INSPECTION OF FLOOR BEAM AT FRAME 26 AROUND CUT-OUTS FOR E/E COOLING DUCTS AND HYDRAULIC PIPE INSTALLATIONS.

2. THIS INFORMATION CONCERNS PREPARATION, ACCESS AND INSPECTION PROCEDURE.

A. REMINDER - TYPES OF DAMAGES TO LOOK FOR: - CRACK - CORROSION - SCRATCH, SCORE AND ABRASION - DENTS

B. "DETAILED VISUAL INSPECTION" ONLY ARE ADRESSED IN THIS CARD. WHEN EXISTING, "SPECIAL DETAILED INSPECTION" (SDI) ARE ADRESSED IN THE "NON DESTRUCTIVE TESTING MANUAL" (NDTM).

3. STRUCTURALLY SIGNIFICANT ITEM (SSI) COVERED BY THE PRESENT CARD IS 53-51-50.

4. THE ALLOWABLE DAMAGES ARE GIVEN IN SRM CHAPTER 53-51-00 PAGE BLOCK 300.

002 REMOVAL OF PASSENGER COMPARTMENT SEATS

SEE JOB INSTRUCTION CARD 252121-RAI-10000

003 REMOVAL OF PASSENGER COMPARTMENT FLOOR COVERING

SEE JOB INSTRUCTION CARD 252821-RAI-10000

004 CLEANING

1. PRIOR TO INSPECTION, CLEAN THE AREA WITH APPROPRIATE TOOLING AS REQUIRED TO ACCOMPLISH VISUAL INSPECTION (USE AUTHORIZED PRODUCT ONLY) (REF. AMM 20-31-00).

2. - REMOVE THE E/E COOLING DUCTS - REMOVE THE SEALANT/LEVELING AND CORROSION INHIBITING COMPOUNDS AT AREAS TO BE INSPECTED. NOTE: DO NOT USE METALLIC SCRAPERS FOR REMOVAL (REF. SRM 51-22-02). PAY ATTENTION DURING REMOVAL NOT TO DAMAGE PROTECTION AND NOT TO CAUSE ACCIDENTAL DETERIORATION.

005 DETAILED VISUAL INSPECTION

REF. FIG. 535100 DVI 00107 REF. FIG. 535100 DVI 00197

# Job Instruction Card

535100 DVI 10097

CUSTOMER: EFFECTIVITY: ATR42 42-400 42-500 DATE: 09/02/12 PAGE 3

PERFORM THE DETAILED VISUAL INSPECTION OF FORWARD AND AFT SURFACES OF THE FLOOR BEAM AT FRAME 26 AROUND CUT-OUTS FOR E/E COOLING DUCTS AND HYDRAULIC PIPES INSTALLATION.

006 DAMAGE EVALUATION

REF. FIG. 530000 DVI 00100

IF DAMAGE OTHER THAN ALLOWABLE CORROSION OR SCRATCHES CAN BE FOUND (PARTICULARLY CRACK INDICATION STARTING FROM EDGE OF THE CUT-OUT FOR E/E COOLING DUCTS AND/OR HYDRAULIC PIPES INSTALLATION):

1. SEND A REPORT TO ATR STRUCTURES ENGINEERING.

2. WAIT FOR SPECIFIC INSTRUCTIONS BEFORE RELEASING THE AIRCRAFT BACK IN OPERATION.

007 PROTECTION

SEE JIC:122351-PRO-10000

1. IF DURING SEALANT REMOVAL, THE PROTECTION HAS BEEN DAMAGED, TOUCH UP THE AREA PER SRM 51-21-17 (ALODINE SPRAY ON EXTERNAL ZONE), SRM 51-21-18 (ALODINE ON INTERNAL SURFACE), SRM 51-21-27 (PRIMER + TOP COAT ON EXTERNAL SURFACE) AND/OR SRM 51-21-28 (PRIMER + TOP COAT ON INTERNAL SURFACE). NOTE:FOR ANY ACCIDENTAL SCRATCH/DAMAGE CREATED DURING SEALANT REMOVAL, REFER TO THE SRM.

2. IF CORROSION INHIBITING COMPOUND HAS BEEN REMOVED,RE-APPLY IT PER JIC 122351-PRO-10000

A. REMEMBER THAT A DOUBLE PROTECTION OF CORROSION INHIBITION(AV8 + AV100) IS RECOMENDED ON GALLEYS, TOILETS AREAS, ENTRY DOOR, CARGO DOOR AREAS AND INTERNAL FLAP METALLIC STRUCTURE AS PER JIC 122351-PRO-10000.

B. WARNING WHEN APPLYING CORROSION INHIBITING COMPOUND, IT IS IMPERATIVE TO FOLLOW HEALTH & SAFETY PROCEDURES: - NO INHALATION, NO EYE CONTACT, NO SKIN CONTACT, AND NO INGESTION. - USE PROTECTIVE GLOVES MADE OF NEOPRENE OR NITRILE. - SUITABLE RESPIRATORY PROTECTION MUST BE USED - PROTECTIVE EYEWEAR. - CORROSION INHIBITOR CONTAINS FLAMMABLE COMPONENT; DO NOT EXPOSE THESE MATERIALS TO OPEN FLAME, ACTIVE CIRCUITS, OR OTHER

# Job Instruction Card

535100 DVI 10097

CUSTOMER: EFFECTIVITY: ATR42 42-400 42-500 DATE: 09/02/12 PAGE 4

COMPONENTS WHERE A POTENTIAL FOR FIRE HAZARD WOULD EXIST. - THE VOLATILE CARRIER IS ALSO FLAMMABLE. MAINTAIN SAFETY PRECAUTIONS UNTIL THE CARRIER HAS FULLY EVAPORATED.

C. RECOMMENDED APPLICATION FOR THE AREAS WITH HIGH POTENTIAL FOR SEVERE CORROSION ARE IDENTIFIED IN THE SPECIFIC CARD.

D. CORROSION INHIBITING COMPOUND MUST NOT BE APPLIED IN THE FOLLOWING AREAS: - CABLE,PULLEYS, WIRING, PLASTICS, ELASTOMERS, OXYGEN SYSTEMS. - LUBRICATED OR TEFLON SURFACES (E.G. GREASED JOINTS, SEALED BEARINGS). - INSULATION BLANKETS. - AREAS WITH ELECTRICAL ARC POTENTIAL. - ENGINE AREA. - ALL OTHER STRUCTURES WHERE THE TEMPERATURE EXCEEDS 220 DEG. F.

008 INSTALLATION OF PASSENGER COMPARTMENT FLOOR COVERING

SEE JOB INSTRUCTION CARD 252821-RAI-10000

009 INSTALLATION OF PASSENGER COMPARTMENT SEATS

SEE JOB INSTRUCTION CARD 252121-RAI-10000

010 CLOSE-UP

1. MAKE CERTAIN THAT THE WORKING AREA IS CLEAN AND CLEAR OF TOOLS AND MISCELLANEOUS ITEMS OF EQUIPMENT.

2. MAKE CERTAIN THAT NO DAMAGE HAS RESULTED FROM REMOVAL/INSTALLATION AND INSPECTION OPERATIONS.

011 FILLING-UP THE INSPECTION DATA FORM

REF. FIG. 530000-DVI-00100

1. IF ANY DAMAGE IS DETECTED COMPLETE THE “IN SERVICE FINDINGS REPORTING FORM” AND SEND IT TO ATR STRUCTURES ENGINEERING.

# Job Instruction Card

535100 DVI 10097

CUSTOMER: EFFECTIVITY: ATR42 42-400 42-500 DATE: 09/02/12 PAGE 5 Figure: 535100 DVI 00107

DETAILED VISUAL INSPECTION AREA

# Job Instruction Card

535100 DVI 10097

CUSTOMER: EFFECTIVITY: ATR42 42-400 42-500 DATE: 09/02/12 PAGE 6 Figure: 535100 DVI 00197

DETAILED VISUAL INSPECTION AREA

# Job Instruction Card

535100 DVI 10097

CUSTOMER: EFFECTIVITY: ATR42 42-400 42-500 DATE: 09/02/12 PAGE 7 Figure: 530000 DVI 00100

INSPECTION DATA FORM