# SDR DELA200700006

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 20, 2007
- Submitted: August 22, 2007
- Operation: Air carrier
- Aircraft: [N431AS](https://openairdocs.org/aircraft/N431AS), registered now
- Make and model: Lear 35A
- Registry model: [Lear 35A](https://openairdocs.org/model/gates-learjet-35a) (OpenAirDocs)
- Aircraft serial: 431
- Aircraft time: 11,261 hours, 9,416 cycles
- Engine: Garrtt TFE731*
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Downlock Sensor
- Condition: False Indication
- Location: Mlg
- Stage of operation: AP
- 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/DELA200700006

## Discrepancy

ON APPROACH, LOWERED LANDING GEAR AND HAD RED LIGHT ON RT MLG.  RECYCLED GEAR, SAME RESULT.  PERFORMED ELECTRICAL MALFUNCTION ALTERNATE GEAR EXTENSION, SAME RESULT.  CHANGED LANDING LOCATION; LANDED WITHOUT INCIDENT.  MAINTENANCE REMOVED MALFUNCTIONING RT MLG DOWNLOCK SWITCH.  REPLACED SWITCH, PN 1EN1-8. PERFORMED GEAR SWING, OPS CHECK GOOD.

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