# SDR SWAA2026031669620

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 10, 2026
- Submitted: March 16, 2026
- Operation: Air carrier
- Aircraft: [N8629A](https://openairdocs.org/aircraft/N8629A), registered now
- Make and model: Boeing 737-8H4
- Registry model: [Boeing 737-8H4](https://openairdocs.org/model/boeing-737-8h4) (OpenAirDocs)
- Aircraft serial: 36897
- Aircraft time: 39,626 hours, 19,347 cycles
- System (JASC): [5740 · Wing, Attach Fittings](https://openairdocs.org/jasc/5740)
- Part: Nut Plate
- Condition: Corroded
- 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/SWAA2026031669620

## Discrepancy

CORROSION ON RAIL NUT PLATE INTERNAL CAVITY LEADING EDGE LOCATED OFSS541 AT LT WING.  REPLACED RAIL NUT PLATE INTERNAL CAVITY LEADING EDGE LOCATED OFSS541 AT LT WING IAW SRM 51-40-02-0G, SRM 51-10-02-0G, ITEM 9, AND DWG 112A4402, SHEET 40, REV A.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.