SDR SWAA2025092305468

Service difficulty report · Rib · Boeing 7377BD

Difficulty date: August 17, 2025
Submitted: September 23, 2025
Operation: Air carrier
Aircraft: N7751A
Make and model: Boeing 7377BD
Aircraft serial: 36717
Aircraft time: 55,390 hours, 29,072 cycles
System (JASC): 5511 · Horizontal Stabilizer, Spar/Rib
Part: Rib
Condition: Cracked
Location: Zone 300
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

CRACKED ACCESS PANEL 331B LEADING EDGE ON RIB, LE STA 95.96 AT LT HORIZONTAL STABILIZER. REPLACED RIB LOCATED ON ACCESS PANEL 331B LEADING EDGE ON STA95.96 AT LT HORIZONTAL STABILIZER. IAW SRM 51-40-02-0G-0, AND DWG 186A1001-1, SHEET 19, REV-.

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