Service difficulty report · Stub Frame · Boeing 7377H4

Difficulty date
April 7, 2025
Submitted
May 7, 2025
Operation
Air carrier
Aircraft
N941WN
Make and model
Boeing 7377H4
Aircraft serial
36647
Aircraft time
50,295 hours, 30,868 cycles
Part
Stub Frame
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 ON STUB FRAME LOCATED BTW BS 294.5 TO BS 296 AND S-8R TO S-9R AT FWD GALLEY DOOR AREA(1EA). CRACK LENGTH APPROX 0.812 INCH AT PASSENGER CABIN. REPLACED STUB FRAME LOCATED BTW BS 294.5 TO BS 296 AND STRINGER 7R TO STRINGER 11R AT FWD GALLEY DOOR. IAW B737-700 SRM 51-40-02 SRM 51-10-02 PARAGRAPH 9; AND DWG: 141A8370 SHEET 10 REV D; DWG: 141A8370 SHEET 11 REV D.

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