# SDR WIB2002F00006

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 1, 2002
- Submitted: August 7, 2002
- Operation: Air carrier
- Aircraft: [N90WA](https://openairdocs.org/aircraft/N90WA), registered now
- Make and model: Lear 31
- Registry model: [Lear 31](https://openairdocs.org/model/learjet-31) (OpenAirDocs)
- Aircraft serial: 028
- System (JASC): [2742 · Stabilizer Actuator](https://openairdocs.org/jasc/2742)
- Part: Actuator
- Part number: 31355402
- Part serial: 059
- Condition: Failed
- Location: Horizontal Stab
- Stage of operation: NR
- How discovered: O
- Nature of condition: F
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/WIB2002F00006

## Discrepancy

STAB ACTUATOR BAD FROM STOCK.  DAMAGED ANOTHER COMPONENT.  NOT THE FIRST TIME.  PITCH TRIM WOULD FAIL IN PRIMARY MODE AFTER OVERHAULED UNIT WAS INSTALLED.

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