Service difficulty report · Intercostal · Boeing 73779P

Difficulty date
February 11, 2023
Submitted
March 21, 2023
Operation
Air carrier
Aircraft
N7857B
Make and model
Boeing 73779P
Aircraft serial
29358
Aircraft time
53,322 hours, 35,875 cycles
Part
Intercostal
Condition
Cracked
Location
Zn 200 Fus Top
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 BTW BS277 TO BS294.5 BL0 FWD GALLEY AND LAV 2023-116762<[01] REPLACED WEB- INTERCOSTAL FLOOR STRUCTURE LOCATED BETWEEN BS277 TO BS294.5 BL0 FWD GALLEY AND LAV IAW B737-700 SRM 51-40-02; SRM 51-10-02 ITEM 9 AND DWG 141A5400 SHEET 20 REV-. SEE INDIVIDUAL SIGN OFF BELOW.;[02] REPLACED WEB- INTERCOSTAL FLOOR STRUCTURE LOCATED BETWEEN BS277 TO BS294.5 BL0 FWD GALLEY AND LAV IAW B737-700 SRM 51-40-02; SRM 51-10-02 ITEM 9 AND DWG 141A5400 SHEET 20 REV-. SEE INDIVIDUAL SIGN OFF BELOW.

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