# SDR SWAA991239

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 26, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: 055SW
- Make and model: Boeing 737-2H4
- Registry model: [Boeing 737-2H4](https://openairdocs.org/model/boeing-737-2h4) (OpenAirDocs)
- Aircraft serial: 21593
- System (JASC): [2740 · Stabilizer Control System](https://openairdocs.org/jasc/2740)
- Part: Bearings
- Part number: BACB10A353
- Condition: Worn
- Location: Stab Trim
- Stage of operation: CL
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA991239

## Discrepancy

AIR TURNBACK, STAB TRIM MECHANISM MAKES GRINDING NOISE WHEN MOVED.  REMOVED AND REPLACED WORN BEARINGS ON RT SIDE OF STAB TRIM MECHANISM.

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