# SDR UPS805368

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 1, 1996
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N755UP
- Make and model: Doug DC-8-71F
- Registry model: [Doug DC-8-71F](https://openairdocs.org/model/douglas-dc-8-71f) (OpenAirDocs)
- Aircraft serial: 46055
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Dnlock Switch
- Condition: Inoperative
- Location: Lt Mlg
- Stage of operation: AP
- Nature of condition: P
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UPS805368

## Discrepancy

CREW REPORTED, GEAR LOWERED ON APPROACH, MAIN GREEN LIGHT DID NOT ILLUMINATE.  GEAR HAD TO BE CYCLED TWO TIMES TO GET ILLUMINATION.  REPLACED LEFT MLG DOWNLOCK SWITCH, SWUNG GEAR SEVERAL TIMES, OPERATED NORMAL MM 32-60-00.

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