# SDR SWAA2025060657629

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 25, 2025
- Submitted: June 6, 2025
- Operation: Air carrier
- Aircraft: [N222WN](https://openairdocs.org/aircraft/N222WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 34290
- Aircraft time: 64,101 hours, 38,519 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/SWAA2025060657629

## Discrepancy

(CUSTOMER REQUEST) CRACK ON VAPOR BARRIER LOCATED AT BS 663.75 BETWEEN RBL 40 TO RBL 55 RH SIDE WHEEL WELL COMPARTMENT 2025-290824 <[01]. TOOL USED: CALIPER: P/N: 500-197-30; S/N: A23304055; DUE DATE: 10-NOV-25; [02] TOOL USED: SCALE P/N 91847 S/N AE-409317 DUE DATE: 29-JUN-25.; [03] TOOL USED: HOT BONDER P/N: HCS9000B-AV; S/N: 18185781; DUE DATE: 22-FEB-26.; [04] TOOL USED: SCALE P/N 91847 S/N AE-409319 DUE DATE: 29-SEP-25; [05] TOOL USED: ULTRASONIC FLAW DETECTOR; P/N: EPOCH 650; S/N: 201036102; DUE DATE: 25-OCT-25.; [06] REPAIRED VAPOR BARRIER LOCATED AT BS 663.75 BETWEEN RBL 40 TO RBL 55 RH SIDE WHEEL WELL COMPARTMENT IAW B737-700 SRM 51-70-04-2R-10 REPAIR 10. SEE INDIVIDUAL SIGN OFFS BELOW; [07] CORRECTIVE ACTION 6 WAS MODIFIED ADDED TOOL USED OF STEP 5: HOT BONDER P/N: HCS9000B; S/N: 18196119; DUE DATE: 13 JUN 25.<BR><BR>REPAIRED VAPOR BARRIER LOCATED AT BS 663.75 BETWEEN RBL 40 TO RBL 55 RH SIDE WHEEL WELL COMPARTMENT IAW B737-700 SRM 51-70-04-2R-10 REPAIR 10. SEE INDIVIDUAL SIGN OFFS BELOW; [08] CERTIFIED AS RII CORRECTIVE ACTION 7 CORRECTIVE ACTION 6 WAS MODIFIED ADDED TOOL USED OF STEP 5: HOT BONDER P/N: HCS9000B; S/N: 18196119; DUE DATE: 13 JUN 25.  REPAIRED VAPOR BARRIER LOCATED AT BS 663.75 BETWEEN RBL 40 TO RBL 55 RH SIDE WHEEL WELL COMPARTMENT IAW B737-700 SRM 51-70-04-2R-10 REPAIR 10. SEE INDIVIDUAL SIGNS OFF BELOW.

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