# SDR SWAA2023091990627

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 16, 2023
- Submitted: September 19, 2023
- Operation: Air carrier
- Aircraft: [N7831B](https://openairdocs.org/aircraft/N7831B), registered now
- Make and model: Boeing 737-7CT
- Registry model: [Boeing 737-7CT](https://openairdocs.org/model/boeing-737-7ct) (OpenAirDocs)
- Aircraft serial: 32752
- Aircraft time: 63,649 hours, 32,943 cycles
- System (JASC): [5312 · Fuselage Main, Bulkhead](https://openairdocs.org/jasc/5312)
- Part: Vapor Barrier
- Part number: UNKNOWN
- Condition: Cracked
- Location: Zn 100 Fus Lower
- 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/SWAA2023091990627

## Discrepancy

CRACK VAPOR BARRIER LOCATED BS663 AND LBL16 MAIN WHEEL WELL 2023-506882 CRACK VAPOR BARRIER LOCATED BS663 LBL16 AND WL152 MAIN WHEEL WELL<[01] TOOL USED CALIPER P/N 500-752-20 S/N B21015879 DUE DATE 13-DEC-23.;[02] TOOL USED: HOT BONDER PN: HCS9000B; SN: 18175469; DUE DATE: 24-SEP-23.;[03] TOOL USED SCALE P/N:CL5000; S/N: AE-408751; DUE DATE 12-APR-24;[04] TOOL USED: HOT BONDER P/N: HCS9000B S/N:18175469; DUE DATE: 24-SEP-23;[05] TOOL USED: ULTRASONIC FLAW DETECTOR P/N: EPOCH 650 S/N: 201036102 DUE DATE: 16-SEP-23;[06] REPAIRED VAPOR BARRIER LOCATED BS663 AND LBL16 MAIN WHEEL WELL COMPARTMENT IAW B737-700 SRM 51-70-04-2R-10 REPAIR 10. SEE INDIVIDUAL SIGNOFFS BELOW.;[07] REPAIRED VAPOR BARRIER LOCATED BS663 AND LBL16 MAIN WHEEL WELL COMPARTMENT IAW B737-700 SRM 51-70-04-2R-10 REPAIR 10. CERTIFIED RII

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