# SDR SWAA2025022587256

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 18, 2025
- Submitted: February 25, 2025
- Operation: Air carrier
- Aircraft: [N7746C](https://openairdocs.org/aircraft/N7746C), registered now
- Make and model: Boeing 737-7BD
- Registry model: [Boeing 737-7BD](https://openairdocs.org/model/boeing-737-7bd) (OpenAirDocs)
- Aircraft serial: 33934
- Aircraft time: 56,735 hours, 30,204 cycles
- System (JASC): [5320 · Fuselage Miscellaneous Structure](https://openairdocs.org/jasc/5320)
- Part: Vapor Barrier
- Condition: Cracked
- Location: Zone 100
- Stage of operation: IN
- How discovered: U
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2025022587256

## Discrepancy

CRACK BODY STATION 663.75 VAPOR BARRIER RBL 38 AT MAIN WHEEL WELL COMPARTMENT 2025-80433<[01]. TOOL USED: CALIPER PN: 500-196-30; SN: B24006487; DUE DATE: 11-SEP-25.; [02] ON STEP 12. TOOL USED: ULTRASONIC INSTRUMENT. P/N: EPOCH 650. S/N: 190776902. DUE DATE: 15-OCT-25.; [03] REPAIRED BODY STATION 663.75 VAPOR BARRIER RBL 38 AT MAIN WHEEL WELL COMPARTMENT IAW B737-700 SRM 51-70-04-2R-10 REPAIR 10. REFER TO INDIVIDUALS SIGNOFFS BELOW.; [04] REPAIRED BODY STATION 663.75 VAPOR BARRIER RBL 38 AT MAIN WHEEL WELL COMPARTMENT IAW B737-700 SRM 51-70-04-2R-10 REPAIR 10. REFER TO INDIVIDUALS SIGNOFFS BELOW. RII. COMPLETED STEP.

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