SDR SWAA2026011451163

Service difficulty report · Stub Frame · Boeing 7377H4

Difficulty date: December 10, 2025
Submitted: January 14, 2026
Operation: Air carrier
Aircraft: N919WN
Make and model: Boeing 7377H4
Aircraft serial: 36625
Aircraft time: 56,768 hours, 34,183 cycles
System (JASC): 5311 · Fuselage Main, Frame
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

ONE CRACK NOTED ON R1 DOOR STUB FRAME, BS 294.5+2, 0.1 INCH ABOVE SEAL DEPRESSOR, WL 267. L: 1 INCH. EVALUATED CRACK ON FSD STUB FRAME AND FOUND TO BE OUT OF ALLOWABLE LIMITS. THE DAMAGED FSD STUB FRAME WAS REMOVED AND INSTALLED NEW UPPER STUB FRAME IAW SRM 53-10-15-1A-2, SRM 51-40-02, AND DWG 141A8370, REV D.

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