Service difficulty report · Intercostal · Boeing 7377H4

Difficulty date
November 5, 2025
Submitted
November 26, 2025
Operation
Air carrier
Aircraft
N944WN
Make and model
Boeing 7377H4
Aircraft serial
36659
Aircraft time
50,834 hours, 31,078 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 LOCATED BS440 TO BS460 AT LEVEL STR26L FWD CARGO COMPARTMENT 2025-684644<[01] REPLACED WEB - INTERCOSTAL AND FASTENERS LOCATED BS440 TO BS460 AT LEVEL STR26L FWD CARGO COMPARTMENT IAW B737-700 SRM 51-40-02; SRM 51-10-02 ITEM 9 AND DWG 143A7505 SHEET:118 REV:-.<BR><BR>SEE INDIVIDUAL SIGN-OFF BELOW.;[02] CERTIFIED CORRECTIVE ACTION STEP 1

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