Service difficulty report · Intercostal · Boeing 7377BD

Difficulty date
April 9, 2025
Submitted
May 20, 2025
Operation
Air carrier
Aircraft
N7747C
Make and model
Boeing 7377BD
Aircraft serial
36091
Aircraft time
56,690 hours, 29,425 cycles
Part
Intercostal
Condition
Cracked
Location
Zone 100
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 STA312 TO STA328 AND LBL45 FWD GALLEY AND LAV 2025-250259 <[01]. REPLACED NEW WEB - INTERCOSTAL FLOOR STRUCTURE AND FASTENERS LOCATED STA312 TO STA328 AND LBL45 FWD GALLEY AND LAV IAW B737-700 SRM 51-10-02 AND DWG 141A5400 SHEET 26 REV. SEE INDIVIDUAL SIGN-OFFS BELOW.; [02] REPLACED NEW WEB - INTERCOSTAL FLOOR STRUCTURE AND FASTENERS LOCATED STA312 TO STA328 AND LBL45 FWD GALLEY AND LAV IAW B737-700 SRM 51-10-02 AND DWG 141A5400 SHEET 26 REV. SEE INDIVIDUAL SIGN-OFFS BELOW.

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