# SDR AALA202302131892

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 11, 2023
- Submitted: February 13, 2023
- Operation: Air carrier
- Aircraft: [N905AN](https://openairdocs.org/aircraft/N905AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 29507
- Aircraft time: 61,187 hours, 25,169 cycles
- System (JASC): [5511 · Horizontal Stabilizer, Spar/Rib](https://openairdocs.org/jasc/5511)
- Part: Rib
- Part number: 182A5301U4
- Condition: Cracked
- Location: Zone 300 - Stabs
- 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/AALA202302131892

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: TWO CRACKS IN RIGHT HAND HORIZONTAL STABILIZER RIB LOCATED AT STABILIZER STA 92.70, AT FIRST AND SECOND STIFFENER AFT OF FORWARD SPAR. REPLACED RIB PER SRM 55-10-09-0I-2 AND SRM 55-10-09-0I PROCEDURE 2.

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