# SDR AALA20110301DFW01

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 1, 2011
- Submitted: March 2, 2011
- Operation: Air carrier
- Aircraft: [N976TW](https://openairdocs.org/aircraft/N976TW), registered now
- Make and model: Doug DC-9-83
- Registry model: [Doug DC-9-83](https://openairdocs.org/model/douglas-dc-9-83) (OpenAirDocs)
- Aircraft serial: 53626
- Aircraft time: 33,431 hours, 15,978 cycles
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Uplock Sensor
- Condition: Faulty
- Location: Nlg
- Stage of operation: CR
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20110301DFW01

## Discrepancy

DFW - INFLIGHT ORD-PVR.  CREW REPORTED NOSE GEAR UNSAFE INDICATION DURING FLIGHT.  EMERGENCY DECLARED FLIGHT DIVERTED DFW LANDED WITHOUT INCIDENT.  AIRCRAFT REMOVED FROM SERVICE.  REPLACED THE D1-31 NOSE GEAR UP LOCK POSITION SENSOR.  SYSTEM GROUND CHECK NORMAL OPERATION.

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