# SDR AALA202504220186

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 8, 2025
- Submitted: April 22, 2025
- Operation: Air carrier
- Aircraft: [N906AN](https://openairdocs.org/aircraft/N906AN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 29508
- Aircraft time: 67,863 hours, 28,100 cycles
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Vapor Barrier
- Condition: Deteriorated
- 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/AALA202504220186

## Discrepancy

AIRCRAFT IN BASE MAINTENANCE: MAIN CABIN LEFT SIDE BS 663 TO 639 BL45 TO 63 VAPOR BARRIER DETERIORATED. APPLIED VAPOR BARRIER. PER B737 AMM 28-11-00-300-804 PERFORMED VAPOR BARRIER THICKNESS CHECK ON REPAIR AREAS AT MAIN CABIN LEFT SIDE ALL AREAS WITHIN LIMITS. PER AMM 28-11-00.

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