# SDR SWAA2022050389432

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 29, 2022
- Submitted: May 3, 2022
- Operation: Air carrier
- Aircraft: [N424WN](https://openairdocs.org/aircraft/N424WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29828
- Aircraft time: 66,349 hours, 39,132 cycles
- System (JASC): [5740 · Wing, Attach Fittings](https://openairdocs.org/jasc/5740)
- Part: Panel
- Condition: Cracked
- Location: R/H 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/SWAA2022050389432

## Discrepancy

RT WING L/E PANEL 621VB HAS EVIDENCE OF CRACKS AROUND 3EA FASTENER HOLES AS MARKED. 124-006 / [01] PERFOMED NDT VISUAL AND TAP TEST INSPECTION ON PANEL #621VB AND FOUND NO WATER; OIL; FUEL; OR UNWANTED MATERIAL AS PER B737 NDTM 51-05-01;[02] PREPARED PANEL #621VB AT DAMAGED AREA FOR REPAIR AS PER B737 SRM 51-70-04-2R-9 PARAGRAPH 4.C;[03] VERIFIED 1-2. OK TO INSTALL REPAIR.;[04] REPAIRED PANEL #621VB AT DAMAGED AREA AS PER B737 SRM 51-70-04-2R-9 PARAGRAPH 4.C AND SRM 51-70-04-2R-0 PARAGRAPH L.7. MATERIALS USED RESIN P/O#1753794 FABRC P/O#1690463;[05] VERIFIED 4.;[06] APPLIED TOPCOAT IAW B 737-700 AMM 51-21-73-370-804.;[07] (AMENDING STEP 6) APPLIED TOPCOAT ON REPAIRED AREA PANEL 621VB IAW B 737-700 AMM 51-21-73-370-804.;[08] (FINAL) PREPARED PANEL #621VB AT DAMAGED AREA FOR REPAIR AS PER B737 SRM 51-70-04-2R-9 PARAGRAPH 4.C. REPAIRED PANEL #621VB AT DAMAGED AREA AS PER B737 SRM 51-70-04-2R-9 PARAGRAPH 4.C AND SRM 51-70-04-2R-0 PARAGRAPH L.7. MATERIALS USED RESIN P/O#1753794 FABRC P/O#1690463.;[09] VERIFIED STEPS 7 AND 8..

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