# SDR SWAA2025040214240

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 6, 2025
- Submitted: April 2, 2025
- Operation: Air carrier
- Aircraft: [N287WN](https://openairdocs.org/aircraft/N287WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 32537
- Aircraft time: 57,968 hours, 35,069 cycles
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Skin
- Condition: Corroded
- Location: Zone 100
- Stage of operation: IN
- How discovered: E
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2025040214240

## Discrepancy

CORROSION ON WING CENTER SECTION UPPER SKIN LOC. AT STA 663.75 AND LBL 45.57 2025-168032 <[01].  TOOL USED ON STEP 4: EDDY CURRENT FLAW DETECTOR P/N:NORTEC 600D; S/N:220272512; DUE DATE:05-FEB-26.; [02] TOOL USED ON STEP 5: EDDY CURRENT FLAW DETECTOR P/N:NORTEC 600D; S/N:220272512; DUE DATE:05-FEB-26.; [03] TOOL USED ON STEP 7:ULTRASONIC THICKNESS GAGE P/N:45 MG; S/N:221860711; DUE DATE:20-DEC-25.; [04] PERFORMED PERMANENT REPAIR ON WING CENTER SECTION UPPER SKIN LOC. AT STA 663.75 AND LBL 45.57 EA #25-157-00651-WIP1 AND EA 25-157-00651. SEE INDIVIDUAL SIGN OFF BELOW.; [05] PERFORMED PERMANENT REPAIR ON WING CENTER SECTION UPPER SKIN LOC. AT STA 663.75 AND LBL 45.57 EA #25-157-00651-WIP1 AND EA 25-157-00651. SEE INDIVIDUAL SIGN OFF BELOW.

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