# SDR AALA202505059903

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 1, 2025
- Submitted: May 5, 2025
- Operation: Air carrier
- Aircraft: [N846NN](https://openairdocs.org/aircraft/N846NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 31101
- Aircraft time: 43,820 hours, 18,758 cycles
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Vapor Barrier
- 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/AALA202505059903

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: CRACK IN WING CENTER SECTION REAR SPAR VAPOR BARRIER, LEFT HAND ECS BAY AFT BULKHEAD, AT STA 663, LBL 64. REPAIRED VAPOR BARRIER PER AARD 57-10-10-9.

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