# SDR SWAA2022092802969

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 13, 2022
- Submitted: September 28, 2022
- Operation: Air carrier
- Aircraft: [N7738A](https://openairdocs.org/aircraft/N7738A), registered now
- Make and model: Boeing 737-7BD
- Registry model: [Boeing 737-7BD](https://openairdocs.org/model/boeing-737-7bd) (OpenAirDocs)
- Aircraft serial: 33930
- Aircraft time: 51,542 hours, 27,977 cycles
- System (JASC): [5710 · Wing Main, Frame Structure](https://openairdocs.org/jasc/5710)
- Part: Web
- Condition: Cracked
- Location: Center 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/SWAA2022092802969

## Discrepancy

FOUND CRACK AT LT VAPOR BARRIER LOWER WEB STA. 663. / [01] MEASUREMENTS;[02] CLEANED DAMAGE AREA FOR REPAIR; STOP DRILL ALL CRACKS PERFORMED DRY OUT; FOUND NO WATER AS PER B737 SRM 51-70-04-2R-10;[03] VERIFIED STEPS # 1 AND #2;[04] OK TO INSTALL REPAIR;[05] REPAIRED CRACK DAMAGE ON LT VAPOR BARRIER AT STA. 663 WITH A PERMANENT REPAIR AS PER B737 SRM 51-70-04-2R-10; MATERIALS USED PO#1690463 AND PO#1778994;[06] PERFORMED TAP TEST ON REPAIR AREA OF VAPOR BARRIER; FOUND NO DELAMINATION AS PER B737 NDT 51-05-01 SECTION (5).;[07] VERIFIED STEPS 5 AND 6;[08] APPLIED TEFLON PAINT ON LT VAPOR BARRIER LOWER WEB REF B 737 AMM 51-21-81-370-801;[09] VERIFIED STEP 8

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