# SDR UPS97225115

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 24, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N921UP](https://openairdocs.org/aircraft/N921UP), registered now
- Make and model: Boeing 727180C
- Aircraft serial: 19874
- System (JASC): [2750 · Trailing Edge Flap Control System](https://openairdocs.org/jasc/2750)
- Part: Pulley Casting
- Part number: 65229427
- Condition: Corroded
- Location: Nr 2 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/UPS97225115

## Discrepancy

INSPECTION TYPE-D, FLAP POSITION CABLE PULLY CASTING ATTACHED TO NR 2 FLAP TRACK HAS CORROSION.  PULLEY CASTING REPLACED IAW MM 20-80-01.

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