Service difficulty report · Stub Frame · Boeing 7377H4

Difficulty date
August 21, 2025
Submitted
October 1, 2025
Operation
Air carrier
Aircraft
N909WN
Make and model
Boeing 7377H4
Aircraft serial
32458
Aircraft time
56,758 hours, 34,420 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 ON FSD STUB FRAME AT BS300; .1' ABOVE SEAL DEPRESSOR; .2' LENGTH. NO ALLOWABLE DAMAGE FOUND AT SRM; UPPER STUB FRAME TO BE REPAIRABLE BY REPLACEMENT PER SRM 51-10-02; STEP 9. REMOVED FWD GALLEY DOOR UPPER STUB FRAME PER SRM 51-40-02; INSTALLED FWD GALLEY DOOR UPPER STUB FRAME PER SRM 51-40-02 AND DWG 141A8370 REV:D; LOCATED AND DRILLED NEW STUB FRAME IAW B737-7 SRM 51-40-05-0G-0 AND DWG: 141A8370 ID:0014 REV: -; PAINTED NEW STUB FRAME IAW B737-7 AMM 51-21-73-701.; INSTALLED NEW STUB FRAME AT FSD UPPER FWD AREA PER SRM 51-40-02 AND DWG 141A8370 REV D; INSTALLED AND ADJUSTED UPPER FWD LATCH RECIEVER ON NEW FSD BRACKET IAW AMM 52-41-00-820-801 AND 20-50-11-910-801.

More about the Boeing 737-7H4