# SDR AALA202610228777

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 7, 2026
- Submitted: October 22, 2026
- Operation: Air carrier
- Aircraft: [N929AN](https://openairdocs.org/aircraft/N929AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 30078
- Aircraft time: 70,768 hours, 30,123 cycles
- System (JASC): [5511 · Horizontal Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5511)
- Part: Rib
- Part number: 182A5301U4
- Condition: Cracked
- Location: Zone 300
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202610228777

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: NOTICED 2EA CRACKS ON INTERNAL STRUCTURE MAIN RIB STIFFENERS 1ST AND 2ND FROM FWD TO AFT LOWER END INBD SIDE STAB STA 92.70.  REMOVED AND REPLACED RIB ASSY ON RH HORIZONTAL STABILIZER INTERNAL STRUCTURE STA 92.70 IAW SRM 51-40-02 AND BOEING DWG 182A5301.

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