# SDR 99FDEA00427

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 16, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N150FE](https://openairdocs.org/aircraft/N150FE), registered now
- Make and model: Boeing 727-22
- Registry model: [Boeing 727-22](https://openairdocs.org/model/boeing-727-22) (OpenAirDocs)
- Aircraft serial: 19141
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Switch
- Part number: 40143
- Condition: Inop
- Location: Lt Mlg
- Stage of operation: AP
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/99FDEA00427

## Discrepancy

99-254 - ON APPROACH LANDING GEAR WAS SEL DOWN AND SHOW 3 GREEN LIGHTS.  THE LMG LIGHT WENT OUT AND THE GEAR WARN HORN SOUND.  REMOVED AND REPLACED LMG DOWNLOCK SWITCH AND TEST IN ACCORDANCE WITH 727-100 MM 32-61-021.  ALL IND NORMAL.

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