# SDR AALA20072391

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 6, 2007
- Submitted: December 7, 2007
- Operation: Air carrier
- Aircraft: [N7550](https://openairdocs.org/aircraft/N7550), 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: 53032
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Pseu
- Condition: Inoperative
- Location: Mlg
- Stage of operation: AP
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20072391

## Discrepancy

DFW  INFLIGHT T2422/06DEC - CREW REPORTED MAIN LANDING GEAR INDICATION ON APPROACH TO DFW.  TOWER CONFIRMED GEAR DOWN.  LANDED DFW WITHOUT INCIDENT.  REPLACED PROXIMITY SWITCH ELECTRONIC UNIT.  SYSTEM GROUND CHECKED NORMAL OPERATION.

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