# SDR UPS02237711

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 6, 2002
- Submitted: February 20, 2002
- Operation: Air carrier
- Aircraft: [N924UP](https://openairdocs.org/aircraft/N924UP), registered now
- Make and model: Boeing 727-31C
- Registry model: [Boeing 727-31C](https://openairdocs.org/model/boeing-727-31c) (OpenAirDocs)
- Aircraft serial: 19234
- Aircraft time: 49,227 hours, 36,304 cycles
- System (JASC): [5700 · Wing Structure](https://openairdocs.org/jasc/5700)
- Part: Casting
- Part number: 654130116
- Part serial: NSN
- Condition: Corroded
- Location: #5 Flap Track
- 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/UPS02237711

## Discrepancy

INSPECTION TYPE:C #5 FLAP TRACK ATTACH POINT ON LWR SURFACE OF WING, CORROSION EXIDENT  IN AFT PAD, O/B HOLE. CORROSION SEEMS TO BE CONFINED TO BARREL NUT CASTING.     REMOVED CASTING ON O/B OF #5 FLAP TRACK IAW SRM 51-30-02, CASTING RE PLACED IAW BOEING DWGS 65-41301 AND 65-16216 AND SRM 51-30-02.

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