# SDR SWAA2024102844868

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 3, 2024
- Submitted: October 28, 2024
- Operation: Air carrier
- Aircraft: [N431WN](https://openairdocs.org/aircraft/N431WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 29845
- Aircraft time: 72,916 hours, 43,237 cycles
- System (JASC): [5730 · Wing, Plate/Skin](https://openairdocs.org/jasc/5730)
- Part: Skin
- Condition: Cracked
- Location: Zone 500
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2024102844868

## Discrepancy

DURING HFEC INSPECTION; CRACK FOUND IN COUNTERSINK OF 1EA FASTENER AT 12:00 POSITION LOCATED ON LH WING L/E SKIN I/B OF NACELLE STRUT; 2 FASTENERS FROM LOWER EDGE.<[01] ?REFER TO FAULT TTG8Q00W53ZW WHERE EA 24-157-02791 WAS ADDED AS A SUBTASK.?;[02] VERIFIED CORRECTIVE ACTION ENTRY 1.

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