# SDR SWAA2023100603531

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 23, 2023
- Submitted: October 6, 2023
- Operation: Air carrier
- Aircraft: [N901WN](https://openairdocs.org/aircraft/N901WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32545
- Aircraft time: 51,836 hours, 30,143 cycles
- System (JASC): [5310 · Fuselage Main, Structure](https://openairdocs.org/jasc/5310)
- 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/SWAA2023100603531

## Discrepancy

CUSTOMER REQUEST-CRACK ON VAPOR BARRIER LOCATED BS663.75 BTW RBL45.64 TO RBL 54.21 AND WL166.5 WING CENTER SECTION AT MAIN WHEEL WELL COMPARTMENT 2023-568956<[01] REPAIRED VAPOR BARRIER LOCATED BS663.75 BTW RBL45.64 TO RBL 54.21 AND WL166.5 WING CENTER SECTION AT MAIN WHEEL WELL COMPARTMENT AS PER B737-700 SRM 57-10-10-2R-2 REPAIR 2. PARAGRAPH 6. TOOL USED= CALIPER P/N: 700-113-10; S/N: 0033174; DUE DATE: 12-MAR-24;[02] CORRECTED STEP 1 - REPAIRED VAPOR BARRIER LOCATED BS663.75 BTW RBL45.64 TO RBL 54.21 AND WL166.5 WING CENTER SECTION AT MAIN WHEEL WELL COMPARTMENT AS PER B737-700 SRM 57-10-10-2R-2 REPAIR 2. PARAGRAPH 6. TOOL USED= CALIPER P/N: 700-113-10; S/N: 0033174; DUE DATE: 12-MAR-24. SEE INDIVIDUAL SIGN OFFS BELOW;[03] TASK CARD COMPLETED <BR>REPAIRED VAPOR BARRIER LOCATED BS663.75 BTW RBL45.64 TO RBL 54.21 AND WL166.5 WING CENTER SECTION AT MAIN WHEEL WELL COMPARTMENT AS PER B737-700 SRM 57-10-10-2R-2 REPAIR 2. PARAGRAPH 6. TOOL USED= CALIPER P/N: 700-113-10; S/N: 0033174; DUE DATE: 12-MAR-24. SEE INDIVIDUAL SIGN OFFS BELOW<BR>RII

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