# SDR 95ZZZX3947

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 27, 1995
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N742E](https://openairdocs.org/aircraft/N742E), registered now
- Make and model: Lear 31A
- Registry model: [Lear 31A](https://openairdocs.org/model/learjet-31a) (OpenAirDocs)
- Aircraft serial: 071
- System (JASC): [7830 · Engine Thrust Reverser](https://openairdocs.org/jasc/7830)
- Part: Switch
- Part number: 311SM7T
- Condition: Arm Failed
- Location: Stow/Deploy
- Part time: 967 hours
- 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/95ZZZX3947

## Discrepancy

LEFT THRUST REVERSER WOULD DEPLOY ON GROUND ANY TIME SYSTEM WAS ARMED WITHOUT SELECTING DEPLOY.  INSPECTED AND FOUND STOW/DEPLOY SWITCH MECHANICAL ARM AND ROLLER BROKEN OFF FROM SWITCH DUE TO FAILURE OF MECHANICAL ARM TO PIVOT POINT THROUGH PIN WELD.

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