# SDR UIA9321

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 18, 2004
- Submitted: December 20, 2004
- Operation: Air carrier
- Aircraft: N17913
- Make and model: Doug MD-90-30
- Registry model: [Doug MD-90-30](https://openairdocs.org/model/mcdonnell-douglas-md-90-30) (OpenAirDocs)
- Aircraft serial: 53537
- Aircraft time: 13,899 hours, 22,139 cycles
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Proximity Sensor
- Part number: 833703
- Condition: Malfunctioned
- Location: Nlg
- Stage of operation: CL
- 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/UIA9321

## Discrepancy

AFTER AIRBONE, RAISE GEAR HANDLE UP, NOSE GEAR RED LIGHT ILLUMINATE.  A/C AIR TURN BACK, A/C LANDING. PERFORMED TROUBLESHOOTING, FOUND NOSE GEAR PROXIMITY SENSOR FUNCTION NO GOOD IAW AMM 32-60-02.  REPLACED NOSE LANDING GEAR DOWN AND LOCKED PROXIMITY SENSOR AND ADJ. GAP TO 0..75IN , OPERATIONAL CHECK CONDITION BACK TO NORMAL.

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