# SDR SWAA2026030368540

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 7, 2026
- Submitted: March 3, 2026
- Operation: Air carrier
- Aircraft: [N7731A](https://openairdocs.org/aircraft/N7731A), registered now
- Make and model: Boeing 737-76N
- Registry model: [Boeing 737-76N](https://openairdocs.org/model/boeing-737-76n) (OpenAirDocs)
- Aircraft serial: 32677
- Aircraft time: 61,547 hours, 31,978 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/SWAA2026030368540

## Discrepancy

CRACKED VAPOR BARRIER, BS 663, LBL 40.  REPAIRED THE VAPOR BARRIER IAW SRM 51-70-04-2R-10, REPAIR 10.

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