Transcript
SERVICE LETTER
Citation
SL525-36-02 TITLE PNEUMATIC - TAILCONE BLEED AIR CHECK VALVE INSPECTION EFFECTIVITY MODEL
SERIAL NUMBERS
525 (CitationJet)
-0050, -0079
REASON Unapproved parts may be installed on some airplanes. DESCRIPTION This service letter contains instructions to do an inspection of the left and right 1553-00-18 Check Valves for suspect serial numbers. COMPLIANCE MANDATORY. This service letter must be accomplished within 300 flight hours or one year from the date of receipt, whichever occurs first. LABOR HOURS WORK PHASE
MAN-HOURS
Inspection
0.5
Replacement
1.5
MATERIAL AVAILABILITY PART NUMBER
AVAILABILITY
COST
1553-00-18W
*
*
* Please contact Textron Aviation Parts & Distribution for current cost and availability of parts listed in this service letter. Phone at 1-800-835-4000 (Domestic) or 1-316-517-7542 (International). Send Email to:
[email protected] or telefax at 1-316-517-7711. Based on availability and lead times, parts may require advanced scheduling. WARRANTY Eligibility:
All airplanes listed in the Effectivity section.
Parts:
Authorized Citation Service Facilities, individual operators, or other maintenance facilities may submit a Credit Claim Form for the parts kit(s) required for accomplishment of this service letter, provided the work is completed and the claim submitted by the expiration date shown below.
Labor:
Authorized Citation Service Facilities may submit a Credit Claim Form for accomplishment of this service letter, on eligible airplanes, provided the work is completed and the claim submitted by the expiration date shown below.
Expiration: June 30, 2016 SL525-36-02 Page 1 of 2
March 12, 2015
Cessna Aircraft Company, Cessna Customer Service, P.O. Box 7706, Wichita, KS 67277, U.S.A. 1-316-517-5800 This document contains technical data and is subject to U.S. export regulations. This information has been exported from the United States in accordance with export administration regulations. Diversion contrary to U.S. law is prohibited. ECCN: 9E991 COPYRIGHT © 2015
SERVICE LETTER
Citation
SL525-36-02 REFERENCES Cessna Model 525 Maintenance Manual PUBLICATIONS AFFECTED None ACCOMPLISHMENT INSTRUCTIONS 1.
Prepare the airplane for maintenance. A.
Make sure that the airplane is electrically grounded.
B.
Make sure that all switches are in the OFF/NORM position.
C.
Disconnect electrical power from the airplane.
D.
(1)
Disconnect the airplane battery.
(2)
Disconnect external electrical power.
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 access panel 321A. (Refer to the Model 525 Maintenance Manual, Chapter 6, Access Plates and Panels Identification - Description and Operation.)
3.
Record the tailcone bleed air check valve serial number. NOTE: The tailcone bleed air check valves are forward and slightly above the forward engine beam.
4.
Remove and replace the tailcone bleed air check valve if the serial number is listed in the table that follows: (Refer to the Model 525 Maintenance Manual, Chapter 36, Pneumatic Distribution - Maintenance Practices) Suspect Engine Bleed Air Check Valve Serial Numbers 328
875
338
992
459
1075
500
1187
522
2216
591
3296
5.
Install access panel 321A. (Refer to the Model 525 Maintenance Manual, Chapter 6, Access Plates and Panels Identification - Description and Operation.)
6.
Remove the maintenance warning tags and connect the airplane battery.
7.
Record that this service letter has been completed. A.
Complete a Maintenance Transaction Report.
B.
Put a copy of the 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 Incorporated, 8201 East 34th Street North, Building 1100 Suite 1101 Wichita, KS 67226.
SL525-36-02 Page 2
March 12, 2015
