Service difficulty report · Support · Boeing 73773V

Difficulty date
August 3, 2021
Submitted
September 2, 2021
Operation
Air carrier
Aircraft
N7839A
Make and model
Boeing 73773V
Aircraft serial
30243
Aircraft time
57,802 hours, 35,522 cycles
Part
Support
Condition
Cracked
Location
Bs 349 Lbl26
Stage of operation
IN
How discovered
9
Nature of condition
O
Precautionary procedure
K

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

CRACKED INTERCOSTAL AT FWD WET AREA BS349 LBL26 WL208. ; / [01] REMOVED INTERCOSTAL AT FWD. WET AREA BTW. BS.344- BS. 360 LBL 26.75 WL.208 IAW SRM 51-40-02 AND SRM 51-10-02 PARAG. 9.C. NO ENTRIES ALLOWABLE DAMAGE; INTERCOSTAL MUST BE REPAIRED BY REPLACEMENT.; [02] LOCATED AND DRILLED INTERCOSTAL P/N 141A4510-21 IAW SRM 51-40-05-0G-0 DWG#141A5400. OK TO INSTALL.; [03] VERIFIED LOCATED AND DRILLED INTERCOSTAL P/N 141A4510-21 IAW SRM 51-40-05-0G-0 DWG#141A5400. OK TO INSTALL.; [04] INSTALLED INTERCOSTAL AT FWD WET AREA STA 349 LBL 26 WL 208 PER SRM 51-40-02-0G-0 AND DWG #141A5400.; [05] ALL MAINTENANCE ITEMS COMPLETE; [06] INSTALLED INTERCOSTAL AND AIRSTAIR MOUNTING BRACKET AT FWD WET AREA STA 349 LBL 26 WL 208 PER SRM 51-40-02-0G-0 AND DWG #141A5400 AND DWG 141A5230.; [07] VERIFIED INSTALLATION INTERCOSTAL AND AIR-STAIR MOUNTING BRACKET AT FORWARD WET AREA STATION 349 LBL26 WL208 PER SRM 51-40-02-0G-0 AND DWG 141A5400; 141A5230.; [08] VERIFIED INSTALLATION INTERCOSTAL AND AIR-STAIR MOUNTING BRACKET AT FORWARD WET AREA STATION 349 LBL26 WL208 PER SRM 51-40-02-0G-0 AND DWG 141A5400; 141A5230

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