# SDR AALA202507104635

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 9, 2025
- Submitted: July 10, 2025
- Operation: Air carrier
- Aircraft: [N840NN](https://openairdocs.org/aircraft/N840NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 33518
- Aircraft time: 44,887 hours, 18,995 cycles
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Frame
- Condition: Cracked
- Location: Zone 100
- 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/AALA202507104635

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: CRACK IN RIGHT HAND ECS BAY AFT BULKHEAD INBOARD SIDE UPPER CHORD AT STA 663, FROM RBL 5 TO RBL 15. REPAIRED CHORD PER SRM 57-10-10-2R-5.

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