# SDR 020507N505CS1

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 5, 2007
- Submitted: February 8, 2007
- Operation: Air carrier
- Aircraft: [N505CS](https://openairdocs.org/aircraft/N505CS), registered now
- Make and model: Cessna 560XL
- Registry model: [Cessna 560XL](https://openairdocs.org/model/cessna-560xl) (OpenAirDocs)
- Aircraft serial: 5605252
- Aircraft time: 4,997 hours, 3,333 cycles
- Engine: Pwa PW545A
- System (JASC): [3233 · Landing Gear Actuator](https://openairdocs.org/jasc/3233)
- Part: Switch
- Condition: Failed
- Location: Mlg Actuator
- Component: Actuator, Teijinseiki
- Component part number: 99125373
- Stage of operation: AP
- How discovered: O
- Nature of condition: J
- Precautionary procedure: L, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/020507N505CS1

## Discrepancy

ON APPROACH, GEAR SELECTED DOWN, THE LT MAIN LANDING GEAR DOWN AND LOCK INDICATION LIGHT DID NOT ILLUMINATE. THE INDICATOR LIGHT TEST WAS GOOD. THE FLIGHT CREW FOLLOWED THE EMERGENCY CHECKLIST AND UTILIZED THE EMERGENCY BOTTLE TO BLOW DOWN THE GEAR. THE FLIGHT CREW DIVERTED TO MSP AND DECLARED AN EMERGENCY. THE AIRCRAFT LANDING WAS UNEVENTFUL. MAINTENANCE TROUBLE SHOT THE PROBLEM TO A BAD LT MAIN LANDING GEAR ACTUATOR SWITCH. THE GEAR ACTUATOR WAS REPLACED AND FUNCTIONAL CHECK WAS GOOD.

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