# SDR CALA2025070806339

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 6, 2025
- Submitted: July 8, 2025
- Operation: Air carrier
- Aircraft: [N17229](https://openairdocs.org/aircraft/N17229), registered now
- Make and model: Boeing 737824
- Aircraft serial: 28793
- Aircraft time: 79,321 hours, 29,430 cycles
- System (JASC): [5511 · Horizontal Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5511)
- Part: Rib
- Part number: 186A1401Y27
- 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/CALA2025070806339

## Discrepancy

{B737-06-3-0074} LT HORIZ STAB LE 331B WITH CRACKED RIB (22ND FROM IB).   REMOVED AND REPLACED RIB AT LT HORIZ STAB LE 331B (22ND FROM IB) PER REF B737-SRM 51-40-02-0G-0 AND DWG NO. 186A1001.

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