# SDR CA011217001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 11, 2001
- Submitted: February 5, 2002
- Operation: General aviation
- Make and model: Beech A100
- Registry model: [Beech A100](https://openairdocs.org/model/beech-a100) (OpenAirDocs)
- Engine: Pwa PT6A28
- System (JASC): [3233 · Landing Gear Actuator](https://openairdocs.org/jasc/3233)
- Part: Bearing
- Part number: 115380103
- Condition: Failed
- Location: Mlg Actuator
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA011217001

## Discrepancy

(CAN)  ON CLIMBOUT  RT GEAR DID NOT INDICATE UP & LOCKED & INTRANSIT LIGHT ILLUMINATED.  GEAR EXTENDED, THIS TIME GEAR DID NOT INDICATE DOWN & LOCKED & INTRANSIT LIGHT REMAINED ILLUMINATED.  UPON LDG RT MAIN GEAR COLLAPSED.  LDG GEAR ACTUATOR REMOVED & SENT TO TSB LAB FOR ANALYSIS.  IT DETERMINED THAT THRUST BEARING IN ACTUATOR WAS INSTALLED BACKWARDS.  RESULTING FAILURE OF THRUST BEARING CAUSED TEETH ON PINION & RING GEAR TO FAIL.

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