SDR CALA2025042204129

Service difficulty report · Rib · Boeing 737924ER

Difficulty date: April 21, 2025
Submitted: April 22, 2025
Operation: Air carrier
Aircraft: N77430
Make and model: Boeing 737924ER
Aircraft serial: 37098
Aircraft time: 51,551 hours, 18,248 cycles
System (JASC): 5511 · Horizontal Stabilizer, Spar/Rib
Part: Rib
Part number: 182A5305
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

LEFT HORIZONTAL STABILIZER, INTENRAL STRUCTURE RIB STA 129.5 FOUND CRACK AT #2 STIFFENER. REPAIRED RIB STA 129.50, STIFFENER#2 AS PER REF. B737 SRM 55-10-09-2R-4, 4B (1). REPAIRED RIB STA 129.50, STIFFENER#2 AS PER REF. B737 SRM 55-10-09-2R-4, 4B (1).