# SDR SWAA2025043054280

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 23, 2025
- Submitted: April 30, 2025
- Operation: Air carrier
- Aircraft: [N221WN](https://openairdocs.org/aircraft/N221WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 34259
- Aircraft time: 65,130 hours, 38,662 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/SWAA2025043054280

## Discrepancy

(CUSTOMER REQUEST) CRACK ON VAPOR BARRIER LOC ON BS 663.75 ON RBL 34 AT MAIN WHEEL WHEEL COMPARTMENT 2025-224146<[01] TOOL USED: CALIPER P/N: 500-196-30; S/N: A23378547; DUE DATE: 16 SEP 25.;[02] TOOL USED: HOT HONDER P/N: HCS9000B; S/N: 18175469; DUE DATE: 14 AUG 25.;[03] TOOL USED: SCALE P/N: 91847; S/N:AE-409319; DUE DATE: 29-SEP-25.;[04] TOOL USED: SCALE P/N: 91847; S/N:AE-409313; DUE DATE: 29-JUN-25.;[05] ULTRASONIC EQUIPMENT USED P/N: EPOCH 650; S/N: 190984811; DUE DATE: 24-FEB-26;[06] REPAIRED VAPOR BARRIER LOC ON BS 663.75 ON RBL 34 AT MAIN WHEEL WHEEL COMPARTMENT AS PER B737-700 SRM 51-70-04-2R-10 REPAIR 10. SEE INDIVIDUAL SIGN OFFS BELOW;[07] TASK COMPLETED ; RII ITEM <BR>SEE INDIVIDUAL SIGN OFFS BELOW

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