Service difficulty report · Intercostal · Boeing 73779P

Difficulty date
December 19, 2022
Submitted
February 7, 2023
Operation
Air carrier
Aircraft
N7855A
Make and model
Boeing 73779P
Aircraft serial
29357
Aircraft time
53,057 hours, 34,450 cycles
Part
Intercostal
Part number
NOTREPORTED
Part serial
NOTREPORTED
Condition
Cracked
Location
Zn 900 Lav/Galle
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

CRACK WEB - INTERCOSTAL FLOOR STRUCTURE LOCATED BS312 TO BS328 AT LBL45 FWD GALLEY AND LAV 2022-697155<[01] REPLACED WEB - INTERCOSTAL FLOOR STRUCTURE AND FASTENERS LOCATED BS312 TO BS328 AT LBL45 FWD GALLEY AND LAV IAW B737-700 SRM 51-10-02; SRM 51-40-02 AND DWG 141A5400; SHEET: 26 REV - SEE INDIVIDUALS SIGN OFF BELOW;[02] CORRECTIVE ACTION 1 COMPLETE AND CERTIFIED RII <BR><BR>REPLACED WEB - INTERCOSTAL FLOOR STRUCTURE AND FASTENERS LOCATED BS312 TO BS328 AT LBL45 FWD GALLEY AND LAV IAW B737-700 SRM 51-10-02; SRM 51-40-02 AND DWG 141A5400; SHEET: 26 REV - SEE INDIVIDUALS SIGN OFF BELOW

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