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Citation SER VICE LETTER SL680 - 53 - 05
REVISION
TRANSMITT AL This sheet transmits Revision 2 to SL680 - 53 - 05 , which:
A.
Changes the compliance statement to , "MANDA T OR Y .
Airplanes with 7 , 000 or more flight hours , this service letter must be accomplished within 100 flight hours from the date of receipt of the original issue and then every 100 flight hours thereafter until SB680 - 53 - 08 is completed."
B.
Updated the serials included in the
EFFECTIVITY section.
C.
Updates the area to be inspected to include the entire length of vertical stif feners.
NOTE:
This revision replaces the original issue and previous revision of SL680 - 53 - 05 in their entirety .
REVISION
COMPLIANCE NO EFFECT .
Airplanes previously modified by this service letter are not af fected by this revision.
LOG OF
REVISIONS Original Issue December 22 , 2014 Revision 1 March 12 , 2015 Revision 2 September 30 , 2015 Original Issue - December 22 , 2014 SL680 - 53 - 05 Revision 2 - September 30 , 2015 Page 1 of 1 Cessna Aircraft Company , Cessna Customer Service , P .O.
Box 7706 , Wichita , KS 67277 , U.S.A.
1 - 316 - 517 - 5800
COPYRIGHT © 2014
No text on this page: it may be a figure. Open the PDF to see it.
Citation SER VICE LETTER SL680 - 53 - 05
REVISION
TRANSMITT AL This sheet transmits Revision 1 to SL680 - 53 - 05 , which:
A.
Adds the word "general" to better define the visual inspection that is required in the REASON section ,
DESCRIPTION section , and Step
4.
B.
Adds the note to Step 4 defining a general visual inspection.
NOTE:
This revision replaces the original issue of SL680 - 53 - 05 in its entirety .
REVISION
COMPLIANCE NO EFFECT .
Airplanes previously modified by this service letter are not af fected by this revision.
LOG OF
REVISIONS Original Issue December 22 , 2014 Revision 1 March 12 , 2015 Original Issue - December 22 , 2014 SL680 - 53 - 05 Revision 2 - September 30 , 2015 Page 1 of 1 Cessna Aircraft Company , Cessna Customer Service , P .O.
Box 7706 , Wichita , KS 67277 , U.S.A.
1 - 316 - 517 - 5800
COPYRIGHT © 2014
No text on this page: it may be a figure. Open the PDF to see it.
Citation SER VICE LETTER SL680 - 53 - 05 TITLE
FUSELAGE - AFT CANTED
BULKHEAD
INSPECTION
EFFECTIVITY MODEL SERIAL
NUMBERS 680 (Citation Sovereign) - 0001 , - 0002 , - 0006 , - 0025 , - 0030 , - 0031 , - 0032 , - 0046 , - 0051 , - 0057 , - 0064 , - 0066 , - 0067 , - 0082 , - 0104 , - 0108 , - 01 12 , - 01 18 , - 0120 , - 0125 , - 0132 , - 0139 , - 0140 , - 0141 , - 0144 , - 0147 , - 0148 , - 0149 , - 0153 , - 0157 , - 0160 , - 0162 , - 0163 , - 0164 , - 0166 , - 0167 , - 0169 , - 0170 , - 0171 , - 0173 , - 0174 , - 0175 , - 0176 , - 0177 , - 0178 , - 0179 , - 0180 , - 0182 , - 0183 , - 0185 , - 0186 , - 0192 , - 0193 , - 0196 , - 0200 , - 0202 , - 0204 , - 0205 , - 0206 , - 0208 , - 021 1 , - 0216 , - 0220 , - 0221 , - 0222 , - 0227 , - 0229 , - 0230 , - 0231 , - 0234 , - 0235 , - 0236 , - 0238 , - 0241 , - 0242 , - 0243 , - 0245 , - 0246 , - 0249 , - 0252 , - 0253 , - 0255 , - 0256 , - 0257 , - 0258 , - 0260 , - 0262 , - 0268 , - 0270 , - 0271 , - 0280 , - 0282 , - 0283 , - 0284 , - 0285 , - 0289 , - 0291 , - 0292 , - 0296 , - 0297 , - 0300 , - 0301 , - 0302 , - 0303 , - 0304 , - 0306 , - 0307 , - 0313 , - 0315 , - 0317 , - 0318 , - 0322 , - 0323 , - 0324 , - 0327 , - 0328 , - 0329 , - 0333 , - 0334 , - 0336 , - 0337 , - 0339 , - 0340 , - 0342 , - 0344 , - 0346 , - 0347 , - 0348 , - 0349 680 (Citation Sovereign+) - 0501 , - 0504 , - 0505 , - 0509 , - 0510 , - 051 1 , - 0512 , - 0513 , - 0514 , - 0515 , - 0516 , - 0517 , - 0519 , - 0520 , - 0522 , - 0524 , - 0525 , - 0526 , - 0527 , - 0531 REASON Airplanes with more than 7 , 000 flight hours need to do a general visual inspection of the aft canted bulkhead.
DESCRIPTION This service letter provides instructions to do a general visual inspection of the aft canted bulkhead.
COMPLIANCE MANDA T OR Y .
Airplanes with 7 , 000 or more flight hours , this service letter must be accomplished within 100 flight hours from the date of receipt of the original issue and then every 100 flight hours thereafter until SB680 - 53 - 08 is completed.
LABOR HOURS WORK PHASE MAN - HOURS Inspection
0.5 Original Issue - December 22 , 2014 SL680 - 53 - 05 Revision 2 - September 30 , 2015 Page 1 of 3 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 © 2014
SL680 - 53 - 05 Page 2 Revision 2 - September 30 , 2015 Citation SER VICE LETTER SL680 - 53 - 05 W
ARRANTY Eligibility:
All airplanes identified in the Serial Ef fectivity section of this service letter .
Parts:
Authorized Citation Service Facilities , individual operators , or other maintenance facilities may submit a 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 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:
W as January 31 , 2017 , will update to match the expiration of SB680 - 53 -
08.
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.
(1) Disconnect the airplane batteries.
(2) Disconnect external electrical power .
D.
Attach maintenance warning tags to the batteries and external power receptacle that have "DO NOT
CONNECT
ELECTRICAL POWER -
MAINTENANCE IN PROGRESS" written on them.
2.
Make sure the tail stand is in position under the tail of the airplane.
3.
Open the tailcone maintenance door to access to the forward side of the aft canted bulkhead.
4.
(Refer to Figure
1.)
Do a general visual inspection for signs of debond and paint cracking around the edges of the vertical and horizontal stif feners outlined in Figure
1.
NOTE:
The Cessna Model 680 Maintenance Manual defines a general visual inspection as 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.
Report all signs of debond or paint cracking to Cessna Structures at:
csstructures@txtav .com , or Phone:
316 - 517 - 6061.
NOTE:
If there are indications of debond or paint cracking along the edges of the vertical or horizontal stif feners , provide as much detail , with pictures if possible to Cessna Structures and Customer Support T eam Sovereign soon as possible and before the next scheduled flight.
5.
Close the tailcone maintenance door .
6.
Remove the maintenance warning tags and connect the airplane batteries.
7.
Record that this service letter has been completed.
A.
Complete a Maintenance T ransaction Report.
B.
Put a copy of the completed Maintenance T ransaction Report in the airplane logbook.
C.
Send a copy of the completed Maintenance T ransaction Report to:
CESCOM C / O Camp Systems International Incorporated , 8201 East 34th Street North , Building 1 100 Suite 1 101 Wichita , KS 67226.
Citation SERVICE LETTER A Textron Company Cessna SL680-53-05 A98042 00000 Inspect area within outline.
DETAIL А 6910T1001 A6912T1054 Figure 1. Aft Canted Bulkhead (Sheet 1) SL680-53-05 Revision 2 - September 30, 2015 Page 3
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