# SDR AALA20151125005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 25, 2015
- Submitted: December 1, 2015
- Operation: Air carrier
- Aircraft: [N821NN](https://openairdocs.org/aircraft/N821NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 30912
- Aircraft time: 18,949 hours, 7,335 cycles
- System (JASC): [5514 · Horizontal Stabilizer Miscellaneous Structure](https://openairdocs.org/jasc/5514)
- Part: Stiffener
- Part number: 182A5301
- Condition: Cracked
- Location: Lt Horiz Stab
- 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/AALA20151125005

## Discrepancy

LEFT HORIZONTAL STABILIZER RIB AT STABILIZER STATION 92.7, HAS A CRACKED VERTICAL STIFFENER, 3RD FROM AFT.  REPAIRED STIFFENER IAW SRM 55-10-09-2R-4.

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