# SDR SIMA200121103

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 30, 2001
- Submitted: September 17, 2001
- Operation: Air carrier
- Aircraft: [N282AT](https://openairdocs.org/aircraft/N282AT), registered now
- Make and model: Aerosp ATR 42-300
- Registry model: [Aerosp ATR 42-300](https://openairdocs.org/model/aerospatiale-aeritalia-atr-42-300) (OpenAirDocs)
- Aircraft serial: 282
- System (JASC): [3234 · Landing Gear Selector](https://openairdocs.org/jasc/3234)
- Part: Selector Valve
- Part number: 100538400
- Part serial: 325
- Condition: Failed
- Location: Hyd Bay
- Stage of operation: DE
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA200121103

## Discrepancy

MIA - FLT 5252 - DURING DESCENT, THE LANDING GEAR WOULD NOT EXTEND WHEN SELECTED DOWN.  CREW USED EMERGENCY EXTENSION TO LOWER GEAR.  MAINTENANCE REMOVED AND REPLACED THE LANDING GEAR SELECTOR VALVE IAW MM 32-31-51.  OPERATIONAL CHECK WAS GOOD AND AIRCRAFT WAS RETURNED TO SERVICE.  (M)

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