# SDR SWAA2021081674801

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 29, 2020
- Submitted: August 16, 2021
- Operation: Air carrier
- Aircraft: [N939WN](https://openairdocs.org/aircraft/N939WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36646
- Aircraft time: 37,705 hours, 22,596 cycles
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Support Fitting
- Condition: Cracked
- Location: Bs 663
- 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/SWAA2021081674801

## Discrepancy

DEFECT TRANSFERRED FROM LOG PAGE 1313903. DEFECT: FUSELAGE STA 662 LEFT VAPOR BARRIER SUPPORT T FITTING AT LBL 6.25 CRACKED IN THE RADIUS 2.5' AT THE KEEL BEAM. / REPLACED BS662 L/H VAPOR BARRIER SUPPORT T FITTING IAW DWG 144A7100 AND SRM 51-40-02

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