SDR SWAA2026020563264

Service difficulty report · Stub Frame · Boeing 7377H4

Difficulty date: January 20, 2026
Submitted: February 5, 2026
Operation: Air carrier
Aircraft: N947WN
Make and model: Boeing 7377H4
Aircraft serial: 36924
Aircraft time: 50,403 hours, 30,825 cycles
System (JASC): 5310 · Fuselage Main, Structure
Part: Stub Frame
Part number: 141A8370U13
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 NOTED ON R1 DOOR STUB FRAME, 0.1 INCH ABOVE THE SEAL DEPRESSOR; 0.5 INCH FWD OF DOOR CUTOUT, L: 0.9 INCH. REMOVED AND REPLACED NEW STUB FRAME. IAW SRM 51-40-02, AND DWG 141A8370, REV D. INSTALLED AND ADJUSTED THE FWD SERVICE DOOR FWD UPPER LATCH RECIEVER IAW AMM 20-50-11-910-801, SRM 51-40-02, & AMM 52-41-00-820-801.

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