SDR SWAA2026061096757

Service difficulty report · Stiffener · Boeing 7377BD

Difficulty date: May 8, 2026
Submitted: June 11, 2026
Operation: Air carrier
Aircraft: N7749B
Make and model: Boeing 7377BD
Aircraft serial: 36724
Aircraft time: 50,992 hours, 27,256 cycles
System (JASC): 5320 · Fuselage Miscellaneous Structure
Part: Stiffener
Condition: Cracked
Location: Zone 100
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 VERTICAL STIFFENER LOCATED BS 540 AND LBL 24.97 AT FWD CARGO BAY. REPLACED VERTICAL STIFFENER LOCATED BS 540 AND LBL 24.97 AT FWD CARGO COMPARTMENT IAW SRM 51-40-02-0G-0 AND DRAWING 111A2001, SHEET 113, REV B, DWG 111A2000, SHEET 49, REV -, AND DWG 111A6000, SHEET 301, REV -.

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