# SDR AALA202404107299

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 6, 2024
- Submitted: April 10, 2024
- Operation: Air carrier
- Aircraft: [N939AN](https://openairdocs.org/aircraft/N939AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 30083
- Aircraft time: 65,956 hours, 27,924 cycles
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Stiffener
- Part number: 111A1308U15
- Condition: Cracked
- Location: Bs 663 Lbl 25
- 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/AALA202404107299

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE; CRACK IN CENTER WING SECTION REAR SPAR VERTICAL STIFFENER, WHEEL WELL SIDE, AT BS 663, LBL 25. REPLACED STIFFENER PER SRM 51-40-02 AND AARD 51-00-05-01.

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