# SDR SWAA2023101294893

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 29, 2023
- Submitted: October 12, 2023
- Operation: Air carrier
- Aircraft: [N8311Q](https://openairdocs.org/aircraft/N8311Q), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 38808
- Aircraft time: 37,275 hours, 17,282 cycles
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Vapor Barrier
- Part number: UNKNOWN
- Condition: Cracked
- Location: Zn 500 Left Wing
- 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/SWAA2023101294893

## Discrepancy

CUSTOMER REQUEST - CRACK ON VAPOR BARRIER LOCATED BS663 LBL16 AND WL152 LH SIDE AT MAIN WHEEL WELL COMPARTMENT 2023-549811<[01] TOOL USED CALIPER P/N: 500-197-30 S/N: A21142022 DUE DATE 24-OCT-23;[02] TOOL USED: HOTBONDER P/N: HCS9200B-AV S/N: 18196127 DUE DATE: 22-JAN-24.;[03] TOOL USED SCALE P/N CR5200 S/N 8343150722 DUE DATE 13 FEB 24;[04] TOOL USED SCALE P/N: SPX621; S/N: 8340225469; DUE DATE: 20-JUL-24.;[05] TOOL USED ULTRASONIC FLAW DETECTOR P/N: EPOCH 650; S/N: 190984811; CAL DUE DATE: 24-JAN-24;[06] REPAIRED VAPOR BARRIER LOCATED BS663 LBL16 AND WL152 LH SIDE AT MAIN WHEEL WELL COMPARTMENT IAW B737-800 SRM 51-70-04-2R-10 REPAIR 10. SEE INDIVIDUAL SIGNOFFS BELOW.;[07] JOB COMPLETED RII.

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