# SDR 2007FA0000258

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 1, 2007
- Submitted: March 1, 2007
- Operation: General aviation
- Aircraft: N19RK
- Make and model: Beech F90
- Registry model: [Beech F90](https://openairdocs.org/model/beech-f90) (OpenAirDocs)
- Aircraft serial: LA12
- Aircraft time: 9,280 hours, 7,200 cycles
- Engine: Pwa PT6A135
- System (JASC): [3210 · Main Landing Gear](https://openairdocs.org/jasc/3210)
- Part: Bearing
- Part number: MS2764816
- Condition: Seized
- Location: Lt Mlg
- Part time: 9,280 hours, 7,200 cycles
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2007FA0000258

## Discrepancy

PERFORMING A ROUTINE 6 YEAR LANDING GEAR OVERHAUL, THE LT LANDING GEAR GEARBOX-ACTUATOR TORQUE TUBE HAD A SEIZED MAIN SUPPORT BEARING. THIS MADE THE TORQUE TUBE EXTREMELY HARD TO TURN. THE BEARING WAS FOUND TO BE RUSTED, AND SEIZED. BEARING WAS REPLACED WITH NEW.

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