# SDR UPS96220733

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 24, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N920UP](https://openairdocs.org/aircraft/N920UP), registered now
- Make and model: Boeing 727180C
- Aircraft serial: 19873
- System (JASC): [2730 · Elevator Control System](https://openairdocs.org/jasc/2730)
- Part: Return Spring
- Part number: 692149923
- Condition: Corrosion
- Location: Elevator
- 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/UPS96220733

## Discrepancy

INSPECTION TYPE SI, ELEVATOR CONTROL CENTERING UNIT RETURN SPRINGS ARE CORRODED.  REMOVED AND REPLACED ELEVATOR CONTROL CENTERING UNIT RETURN SPRINGS PER M/M 27-30-71.

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