# SDR SWAA2025071178759

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 6, 2025
- Submitted: July 11, 2025
- Operation: Air carrier
- Aircraft: [N7721E](https://openairdocs.org/aircraft/N7721E), registered now
- Make and model: Boeing 737-7BD
- Registry model: [Boeing 737-7BD](https://openairdocs.org/model/boeing-737-7bd) (OpenAirDocs)
- Aircraft serial: 34479
- Aircraft time: 61,888 hours, 33,237 cycles
- System (JASC): [5740 · Wing, Attach Fittings](https://openairdocs.org/jasc/5740)
- Part: Nut Plate
- 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/SWAA2025071178759

## Discrepancy

CRACK ON RAIL NUTPLATE LOCATED LEADING EDGE INTERNAL CAVITY ON ORSS 483 AT LT WING 2025-363338<[01] REPLACED RAIL NUTPLATE LOCATED LEADING EDGE INTERNAL CAVITY ON ORSS 483 AT LT WING IAW B737-700 SRM 51-10-02 ITEM 9; SRM 51-40-02 AND DWG: 112A4402 SHEET: 13 REV: - .;[02] CORRECTED STEP 1.<BR>REPLACED RAIL NUTPLATE LOCATED LEADING EDGE INTERNAL CAVITY ON ORSS 483 AT LT WING IAW B737-700 SRM 51-10-02 ITEM 9; SRM 51-40-02 AND DWG: 112A4402 SHEET: 13 REV: - .<BR><BR>MEASURE OF CRACK: 0.448' TOOL USED: DIGITAL CALIPER P/N: 500-197-30. S/N: A23217620. DUE DATE: 21-APR-26.;[03] REPLACED RAIL NUTPLATE LOCATED LEADING EDGE INTERNAL CAVITY ON ORSS 483 AT LT WING IAW B737-700 SRM 51-10-02 ITEM 9; SRM 51-40-02 AND DWG: 112A4402 SHEET: 13 REV: - <BR>MEASURE OF CRACK: 0.448' TOOL USED: DIGITAL CALIPER P/N: 500-197-30. S/N: A23217620. DUE DATE: 21-APR-26.

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