# SDR AALA202604226958

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 21, 2026
- Submitted: April 22, 2026
- Operation: Air carrier
- Aircraft: [N992AN](https://openairdocs.org/aircraft/N992AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 31071
- Aircraft time: 49,332 hours, 21,012 cycles
- System (JASC): [5510 · Horizontal Stabilizer Structure](https://openairdocs.org/jasc/5510)
- Part: Rib
- Part number: 182A54013
- 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/AALA202604226958

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: CRACK IN LEFT HAND HORIZONTAL STABILIZER RIB, AT THIRD STIFFENER, AT STABILIZER STA 147.90. REPLACED RIB PER SRM 51-40-02.

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