# SDR AALA2009012600194

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 26, 2009
- Submitted: April 3, 2009
- Operation: Air carrier
- Aircraft: [N266AA](https://openairdocs.org/aircraft/N266AA), registered now
- Make and model: Doug DC-9-82
- Registry model: [Doug DC-9-82](https://openairdocs.org/model/mcdonnell-douglas-dc-9-82) (OpenAirDocs)
- Aircraft serial: 49291
- Aircraft time: 69,460 hours, 36,972 cycles
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Downlock Sensor
- Condition: Failed
- Location: Nlg
- Stage of operation: AP
- How discovered: O
- Nature of condition: N
- Precautionary procedure: L
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA2009012600194

## Discrepancy

DFW INFLIGHT - ON APPROACH MAIN LANDING GEAR INDICATION WAS GREEN FOR ABOUT TWO SECONDS AND THEN WENT TO RED.  HYDRAULIC PRESSURE NORMAL.  RECYCLED GEAR AND ABORTED APPROACH.  LANDING GEAR GREEN LIGHTS ON THIRD TRY LANDING GEAR INDICATION WAS GREEN.  LANDED DFW WITHOUT INCIDENT.  REPLACED NOSE GEAR LOCK SENSORS.  SYSTEM GROUND CHECKED NORMAL OPERATION.

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