Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
July 24, 2025
Submitted
September 3, 2025
Operation
Air carrier
Aircraft
N903WN
Make and model
Boeing 7377H4
Aircraft serial
32457
Aircraft time
57,435 hours, 34,748 cycles
Part
Intercostal
Condition
Cracked
Location
Zn 200 Fus Top
Stage of operation
IN
How discovered
V
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 BS 328 AND LBL 46 FWD GALLEY AND LAV. REPLACED NEW WEB - INTERCOSTAL FLOOR STRUCTURE LOCATED BS312 TO BS 328 AND LBL 46 FWD GALLEY AND LAV AND FASTENERS IAW B737-700 SRM 51-40-02 AND DWG: 141A5400 SHEET: 26 REV:- IAW SRM 51-10-02-0G-0 ITEM 9.

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