Service difficulty report · Stub Frame · Boeing 7377H4

Difficulty date
October 8, 2025
Submitted
November 11, 2025
Operation
Air carrier
Aircraft
N236WN
Make and model
Boeing 7377H4
Aircraft serial
34631
Aircraft time
64,050 hours, 38,395 cycles
Part
Stub Frame
Part number
141A8370U13
Condition
Cracked
Location
Zone 200
Stage of operation
IN
How discovered
9
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 FOUND ON FWD STUB FRAME .3 INCHES ABOVE SEAL DEPRESSOR, WL 206 + 52.5. NO ALLOWABLE DAMAGE FOUND IN SRM, UPPER STUB FRAME TO BE REPAIRABLE BY REPLACEMENT IAW SRM 51-10-02; STEP 9. REMOVED FWD GALLEY DOOR UPPER STUB FRAME IAW SRM 51-40-02. LOCATED AND DRILLED A NEW STUB FRAME AT FWD UPPER CORNER FWD SERVICE DOOR IAW SRM 51-40-05, AND DWG 141A8370, REV D. INSTALLED NEW STUB FRAME AND SEAL DEPRESSOR IAW SRM 51-40-02 AND DWG 141A8370, REV C. APPLIED WHITE TOP COAT IAW AMM 51-21-73-370-801, AND REMOVED, INSTALLED AND SUCCESSFULLY ADJUSTED THE FWD UPPER LATCH IAW SRM 51-40-02, AMM 52-41-00-820-801, 2. N. (1), AND AMM 20-50-11-910-801.

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