# SDR SWAA2024041172621

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 9, 2024
- Submitted: April 11, 2024
- Operation: Air carrier
- Aircraft: [N7743B](https://openairdocs.org/aircraft/N7743B), registered now
- Make and model: Boeing 737-7BD
- Registry model: [Boeing 737-7BD](https://openairdocs.org/model/boeing-737-7bd) (OpenAirDocs)
- Aircraft serial: 36718
- Aircraft time: 50,531 hours, 26,365 cycles
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Vapor Barrier
- Condition: None
- Location: Zone 100
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2024041172621

## Discrepancy

LEFT MLG WW HAS A CRACK IN FWD OTBD VAPOR BARRIER MEASURING 16 INCHES IN LENGTH.   THE VAPOR BARRIER HAS BEEN PREVIOUSLY REPAIRED DURING A 12Y CHECK ON NRC L159421. THIS TASK IS NO LONGER REQUIRED.

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