# SDR COMA9610166

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 4, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N247CA
- Make and model: Emb EMB-120RT
- Registry model: [EMB EMB-120RT](https://openairdocs.org/model/embraer-emb-120rt) (OpenAirDocs)
- Aircraft serial: 120225
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Sensor
- Part number: 922AA2YA6P2722
- Condition: Defective
- Location: Lt Mlg
- Stage of operation: AP
- Nature of condition: J
- Precautionary procedure: L
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/COMA9610166

## Discrepancy

WHEN LANDING GEAR SELECTED DOWN, GEAR DID NOT EXTEND.  INDICATION WAS 5 RED INTRANSIT AND ONE GREEN DOWNLOCK.  EMERGENCY SYSTEM USED TO EXTEND GEAR.  REPLACED DEFECTIVE DOWNLOCK PROXIMITY SENSOR ON LEFT MLG.

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