SDR SWAA2026042784852

Service difficulty report · Rib · Boeing 7377BD

Difficulty date: March 31, 2026
Submitted: April 27, 2026
Operation: Air carrier
Aircraft: N7736A
Make and model: Boeing 7377BD
Aircraft serial: 35109
Aircraft time: 61,582 hours, 32,401 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

RIGHT HORIZONTAL STAB RIB NR 5 THIRD FROM FWD STIFFENER, CRACKED AT LOWER END. REMOVED, REPAIRED, AND REINSTALLED THE NR 5 RIB IAW SRM 55-10-09-2R-5, SRM 51-40-02-0G-0, DWG 182A3001, REV F, DWG 182A1500, REV -, AND DWG 182A2401, REV F.

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