Service difficulty report · Stub Frame · Boeing 7377H4

Difficulty date
February 28, 2026
Submitted
March 30, 2026
Operation
Air carrier
Aircraft
N249WN
Make and model
Boeing 7377H4
Aircraft serial
34951
Aircraft time
64,100 hours, 38,781 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 FOUND ON THE R1 DOOR STUB FRAME .3 INCHES ABOVE SEAL DEPRESSOR, BS 291.5+10, FOUND TO BE OUT OF LIMITS IAW SRM 51-10-02-0G-0. REMOVED R1 DOOR UPPER STUB FRAME IAW SRM 51-40-02-0G-0. LOCATED & DRILLED A NEW STUB FRAME IAW SRM 51-50-05, AND DWG 141A8370, REV D. REINSTALLED R1 DOOR SEAL DEPRESSOR IAW SRM 51-40-02-0G-0 AND DWG: 141A8370 ID:0009 REV: D AND ADJUSTED R1 DOOR FORWARD UPPER LATCH RECIEVER IAW AMM 52-41-00-820-801; 2.N (1); (A); (B); AMM 20-50-11-910-801 AND SRM 51-40-02 PAR 9.

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