Service difficulty report · Stub Frame · Boeing 7377BD

Difficulty date
June 8, 2025
Submitted
July 10, 2025
Operation
Air carrier
Aircraft
N7721E
Make and model
Boeing 7377BD
Aircraft serial
34479
Aircraft time
61,888 hours, 33,237 cycles
Part
Stub Frame
Condition
Cracked
Location
Zone 200
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 INDICATION FOUND ON SERVICE DOOR FWD; UPPER STUB FRAME AT BS 294.5 BTW S-8R TO S-9R FWD GALLEY AREA. CRACK LENGTH:1.125 INCH APPROXIMATELY. REPLACED STUB FRAME AND FASTENERS LOCATED BTW BS 294.5 TO 296 AND BETWEEN STR-7R TO STR-11R AT FWD SERVICE DOOR AT PASSENGER CABIN IAW B737-700 SRM 51-40-02 AND DWG# 141A8370 SHEET 10-9 REV .

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