# SDR SWAA992118

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 22, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N129SW](https://openairdocs.org/aircraft/N129SW), registered now
- Make and model: Boeing 737-2T4
- Registry model: [Boeing 737-2T4](https://openairdocs.org/model/boeing-737-2t4) (OpenAirDocs)
- Aircraft serial: 22340
- System (JASC): [2750 · Trailing Edge Flap Control System](https://openairdocs.org/jasc/2750)
- Part: Flap Track
- Part number: 6546428
- Condition: Corroded
- Location: Te Flap
- Stage of operation: IN
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA992118

## Discrepancy

DURING SCHEDULED D-CHECK, FOUND PITTING CORROSION AT NR 1 AND NR 8 T/E FLAP TRACKS AFT MOUNTING SURFACES.  REMOVED AND REPLACED FLAP TRACKS PER MM AND ACO.

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