# Citation 

# SERVICE BULLETIN **SB560XL-53-16 TITLE**  FUSELAGE - STI NGER DRAIN INSTALLATION

**EFFECTIVITY MODEL SERIAL NUMBERS**  560XL (Citation Excel) -5002 thru -5372 560XL (Citation XLS) -5501 thru -5830 560XL (Citation XLS+) -6002 thru -6080, -6082 thru -6086 The equivale nt of this service bulletin has been incorporated on production airplanes -6081 and -6087 and On. **NOTE:** For airplan es affected by ASL560XL-53-08, Fuselage - Aft Canted Bulkhead Drain Installation, that alert service letter must be completed prior to or in conjunction with this service bulletin.

**REASON** To install a seal and drain to improve water drainage from the stinger. **DESCRIPTION** This service bulletin provides parts and instructions to install a drain and seal that will reduce the amount of water entering the stinger and improve drainage.

Oct 4/2011 560XL-53-16 Page 1 of 10 Cessna Aircraft Company, Citation Marketing Division, P.O. Box 7706, Wichita, KS 67277, U.S.A. 1-316-517-6000, Fax 1-316-517-8500 COPYRIGHT © 2011Oct 4/2011 560XL-53-16 Page 2 

# Citation 

# SERVICE BULLETIN **SB560XL-53-16 COMPLIANCE**  MANDATORY. Th is service bulletin must be accomplished within 1200 flight hours or 18 months from the date of receipt, whichever occurs first. A service bulletin published by Cessna Aircraft Company may be recorded as "completed" in an aircraft log only when the following requirements are satisfied: 1) The mechanic must complete all of the instructions in the service bulletin, including the intent therein. 2) The mechanic must correctly use and install all applicable parts supplied with the service bulletin kit. Only with written authorization from Cessna Aircraft Company can substitute parts or rebuilt parts be used to replace new parts. 3) The mechanic or airplane owner must use the technical data in the service bulletin only as approved and published. 4) The mechanic or airplane owner must apply the information in the service bulletin only to aircraft serial numbers identified in the “Effectivity” section of the bulletin. 5) The mechanic or airplane owner must use maintenance practices that are identified as acceptable standard practices in the aviation industry and governmental regulations. No individual or corporate organization other than Cessna Aircraft Company is authorized to make or apply any changes to a Cessna-issued service bulletin, service letter, or flight manual supplement without prior written consent from Cessna Aircraft Company. Cessna Aircraft Company is not responsible for the quality of maintenance performed to comply with this document, unless the maintenance is accomplished at a Cessna-owned Citation Service Center. **FLIGHT CREW OPERATIONS** No Changes **APPROVAL** Cessna received FAA approval for the technical data in this publication that changes the airplane type design. The accomplishment instructions in the service bulletin are an amendment to the applicable maintenance manual or Instructions for Continued Airworthiness (ICA), and you must complete them for ongoing airworthiness compliance as required per 14 CFR, Part 43.13. **MANPOWER WORK PHASE MAN-HOURS**  Modification * **MATERIAL - Cost and Availability PART NUMBER AVAILABILITY**  **COST** SB560XL-53-16 * * 6612060-5 * * 6612060-6 * * * Refer to the Manpower, Material - Cost and Availability, and Warranty sections in the attached Service Bulletin Supplemental Data sheet.

# Citation 

# SERVICE BULLETIN **SB560XL-53-16 CONSUMABLE MATERIAL**  In addition to the above kit(s), you must use the consumable materials that follow, or their equivalent, to complete this service bulletin. **NAME NUMBER MANUFACTURER USE** Sealant U470638 Type I, Class B–1/2, (3.5 oz Simkit) Cessna Service Parts & Programs 7121 Southwest Boulevard Wichita, KS 67215 For sealing applications.

Sealant U060028S, Type V Class C (RTV 159) General Electric Company Mechanicville Rd. Waterford , NY 12188 To bond the seals and doublers to the stinger assembly. Corrosion Resistant Primer K000925 Cessna Service Parts & Programs 7121 Southwest Boulevard Wichita, KS 67215 To protect bare metal from corrosion.

**CHANGE IN WEIGHT AND BALANCE** Negligible **REFERENCES** Cessna Model 560XL Maintenance Manual Cessna Model 560XL (Excel) Structural Repair Manual **PUBLICATIONS AFFECTED** Cessna Model 560XL Illustrated Parts Catalog **ACCOMPLISHMENT INSTRUCTIONS** 1. Prepare the airplane for maintenance. A. Make sure that all switches are in the OFF/NORM position. B. Disconnect electrical power from the airplane. (1) Disconnect the airplane battery. (2) Disconnect external electrical power. C. Attach maintenance warning tags to the battery and external power receptacle that have **"DO NOT CONNECT ELECTRICAL POWER - MAINTENANCE IN PROGRESS"**  written on them. 2. Remove the tailcone stinger. (Refer to the Model 560XL Maintenance Manual, Chapter 53, Tailcone Stinger - Maintenance Practices.) 3. (Refer to Figure 1, View A-A.) Trim away material from the stinger to create a slot forward of where the existing drain hole is located as shown. A. Some airplanes may need to trim the 6612119 Stringer as necessary to avoid interference when the stinger is installed on the airplane. B. Apply corrosion resistant primer to the bare metal where you trimmed material. (Refer to the Model 560XL Structural Repair Manual, Chapter 51, Protective Treatment of Metal.) C. Apply a 0.25 inch bead of U470638 Sealant to seal the gap where the stinger assembly mates together at the location shown. 4. (Refer to Figure 1, View C-C.) Install the two 6612060-7 Seals and two 6612060-4 Doublers. A. Remove the six existing fasteners common to the 6612119-21 Stiffener and the stinger assembly. Oct 4/2011 560XL-53-16 Page 3Oct 4/2011 560XL-53-16 Page 4 

# Citation 

# SERVICE BULLETIN **SB560XL-53-16** B. Match drill and oversize the six holes common to the 6612060-7 Seals, 6612060-4 Doublers, 6612119-21 Stiffener and stinger assembly to Number 30 (0.128 Inch Diameter) holes. C. Drill four Number 30 (0.128 Inch Diameter) holes at the locations shown. D. Deburr the holes. E. Bond the two 6612060-7 Seals to the stinger at the location shown using U060028S Sealant. Allow to cure. F. Install two 6612060-4 Doublers using 10 NAS1919B04S04 Rivets at the locations shown. 5. Use a permanent marker and reidentify the stinger assembly as a 6691083-4 Stinger Assembly. 6. (Refer to Figure 1, View B-B.) Install the 6612060-1 Tube Weld Assembly. A. Remove the two nutplates common to the 6612060-1 Tube Weld Assembly location. B. Clean the inner surface of the 6612263 Bulkhead Assembly. C. Fay and fillet seal the 6612060-1 Tube Weld Assembly to the bulkhead using U470638 Sealant. D. Clean up any excess or squeezed out sealant on the stinger exterior. E. Allow to cure. F. Install the two MS21047L08 Nutplates. (1) Match drill one 0.250 inch diameter hole in the 6612060-1 Tube Weld Assembly for each nutplate. (2) Match drill two Number 40 (0.098 Inch Diameter) holes in the 6612060-1 Tube Weld Assembly for each nutplate. (3) Deburr the holes. (4) Attach the two MS21047L08 Nutplates using two MS20426AD3-5 Rivets for each nutplate. **NOTE:** These fasteners will go through the frame and the drain tube weld assembly. **NOTE:** Airplanes that will have the 6612060-5 Spacer installed will use a longer fastener to install the nutplates than airplanes that will have the 6612060-6 Spacer installed. G. Drill two Number 30 (0.128 Inch Diameter) holes through the 6612060-1 Tube Weld Assembly at the locations shown. H. Countersink the holes 100° x 0.225 inch diameter on the frame side. I. Deburr the holes. J. Install two MS20426AD4-5 Rivets. K. (Airplanes -5002 thru -5138) Install the 6612060-6 Spacer. (1) Check to make sure that the 6612060-6 Spacer fits properly in place and trim as necessary. (2) Fay and fillet seal the 6612060-6 Spacer using U470638 Sealant. **NOTE:** Make sure that you fay and fillet seal between the aft canted bulkhead and the spacer. (3) Clean up any excess or squeezed out sealant on the tailcone exterior. (4) Allow to cure. (5) Drill two Number 40 (0.098 Inch Diameter) holes through the 6612060-6 Spacer and the 6612060-1 Tube Weld Assembly at the location shown. (6) Countersink the holes 100° x 0.180 inch diameter on the spacer. (7) Deburr the holes. (8) Install two MS20426AD3-4 Rivets.

# Citation 

# SERVICE BULLETIN **SB560XL-53-16** L. (Airplanes -5139 thru -5372, -5501 thru -5830, -6001 thru -6086, and -6088) Install the 6612060-5 Spacer. (1) Check to make s ure that the 6612060-5 Spacer fits properly in place and trim as necessary. (2) Fay and fillet seal the 6612060-5 Spacer using U470638 Sealant. **NOTE:** Make sure that you fay and fillet seal between the aft canted bulkhead and the spacer. (3) Clean up any excess or squeezed out sealant on the stinger exterior. (4) Allow to cure. (5) Drill two Number 40 (0.098 Inch Diameter) holes through the 6612060-5 Spacer and the 6612060-1 Tube Weld Assembly at the location shown. (6) Countersink the holes 100° x 0.180 inch diameter on the spacer. (7) Deburr the holes. (8) Install two MS20426AD3-4 Rivets. 7. Install the tailcone stinger. (Refer to the Model 560XL Maintenance Manual, Chapter 53, Tailcone Stinger - Maintenance Practices.) 8. Remove the mai ntenance warning tags and connect the airplane battery. 9. Record that this service bulletin has been completed. A. Complete a Maintenance Transaction Report. B. Put a copy of th e completed Maintenance Transaction Report in the airplane logbook. C. Send a copy of the completed Maintenance Transaction Report to: CESCOM C/O Camp Systems International, 8200 East 34th Street North, Building 1600 Suite 1607 Wichita, KS 67226.

Oct 4/2011 560XL-53-16 Page 5Oct 4/2011 560XL-53-16 Page 6 

# Citation 

# SERVICE BULLETIN **SB560XL-53-16**

**MATERIAL INFORMATION** Order the kit b elow to install this modification.

**NEW P/N QUAN TITY**  **KEY WORD OLD P/N INSTRUCTIONS/ DISPOSITION**  **SB560XL-53-16** 1 **Kit,** consisting of the following parts: MS21047L08 2 Nutplate MS20426AD3-5 4 Rivet MS20426AD3-5.5 4 Rivet MS20426AD3-4 2 Rivet MS20426AD4-5 2 Rivet 6612060-1 1 Tube Weld Assembly NAS1919B04S04 10 Rivet 6612060-4 2 Doubler 6612060-7 2 Seal SB560XL-53-16 1 Instructions (Airplanes -5002 thru -5138) In addition to the SB560XL-53-16 Kit, order the part below.

**NEW P/N QUAN TITY**  **KEY WORD OLD P/N INSTRUCTIONS/ DISPOSITION**  6612060-6 1 Spacer

(Airplanes -5139 thru -5372, -5501 thru -5830, -6002 thru -6080, and -6082 thru -6086) In addition to the SB560XL-53-16 Kit, order the part below.

**NEW P/N QUAN TITY**  **KEY WORD OLD P/N INSTRUCTIONS/ DISPOSITION**  6612060-5 1 Spacer

# Citation 

# SERVICE BULLETIN **SB560XL-53-16**

Figure 1. Stinger Drain Installation (Sheet 1)

Oct 4/2011 560XL-53-16 Page 7Oct 4/2011 560XL-53-16 Page 8 

# Citation 

# SERVICE BULLETIN **SB560XL-53-16**

Figure 1. Stinger Drain Installation (Sheet 2)

# Citation 

# SERVICE BULLETIN **SB560XL-53-16**

Figure 1. Stinger Drain Installation (Sheet 3)

Oct 4/2011 560XL-53-16 Page 9Oct 4/2011 560XL-53-16 Page 10 

# Citation 

# SERVICE BULLETIN **SB560XL-53-16**

Figure 1. Stinger Drain Installation (Sheet 4)

# Citation 

# SERVICE BULLET**IN SUPPLEMENTAL DATA**  **SB560XL-53-16 TITLE**  FUSELAGE - STI NGER DRAIN INSTALLATION

**EFFECTIVITY MODEL SERIAL NUMBERS**  560XL (Citation Excel) -5002 thru -5372 560XL (Citation XLS) -5501 thru -5830 560XL (Citation XLS+) -6002 thru -6080, -6082 thru -6086 The equivale nt of this service bulletin has been incorporated on production airplanes -6081 and -6087 and On. **NOTE:** For airplan es affected by ASL560XL-53-08, Fuselage - Aft Canted Bulkhead Drain Installation, that alert service letter must be completed prior to or in conjunction with this service bulletin.

**MANPOWER WORK PHASE MAN-HOURS**  Modification 8.0 **MATERIAL - Cost and Availability PART NUMBER AVAILABILI**  **TY COST**  SB560XL-53-16 * * 6612060-5 * * 6612060-6 * * * Please contact Cessna Service Parts & Programs for current cost and availability of parts listed in this service bulletin. Phone at 1-800-835-4000 (Domestic) or 1-316-517-7542 (International). Send Email to: citationparts@cessna.textron.com or telefax at 1-316-517-7711. Based on availability and lead times, parts may require advanced scheduling. In cases where the required part(s) are available as exchange, order the exchange part and, upon completion, expedite the return of the removed core to avoid return penalties. Contact the Cessna Service Parts & Programs Sales Desk for availability of exchange parts.

Oct 4/2011 560XL-53-16 Revision A - Oct 20/2011 Page 1 of 2

Cessna Aircraft Company, Citation Marketing Division, P.O. Box 7706, Wichita, KS 67277, U.S.A. 1-316-517-6000, Fax 1-316-517-8500 COPYRIGHT © 2011Oct 4/2011 560XL-53-16 Revision A - Oct 20/2011 Page 2 

# Citation 

# SERVICE BULLET**IN SUPPLEMENTAL DATA**  **SB560XL-53-16 WARRANTY CREDIT PROGRAM**  This bulletin is mandatory . Eligible airplanes may qualify for parts and labor coverage, as described below. **Eligibility:** All Citations identified within the serial number effectivity of this service bulletin. **Parts Coverage:** Authorized Citation Service Facilities, operators, or other maintenance facilities may submit a Citation Credit Claim Form for the parts required to accomplish this bulletin. **Labor Coverage:** Authorized Citation Service Facilities may submit a Citation Credit Claim Form for the labor necessary to accomplish this service bulletin. Please note Manpower Requirements for coverage guidelines. **Credit Application:**  All work must be completed and the Citation Credit Claim Form submitted before the date shown below. Send the Citation Credit Claim, along with any required parts (see Material Informatio n), to the point of purchase. Parts to be returned to Cessna Service Parts & Programs should be forwarded to: Citation Warranty Administration 7121 Southwest Boulevard Wichita, KS 67215 USA **Expiration:** Oct 31/2013