# SDR 00120

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 6, 2003
- Submitted: November 10, 2003
- Operation: Air carrier
- Aircraft: N330TW
- Make and model: Lear 24E
- Registry model: [Lear 24E](https://openairdocs.org/model/gates-lear-jet-24e) (OpenAirDocs)
- Aircraft serial: 330
- Aircraft time: 11,076 hours, 10,365 cycles
- Engine: Ge CJ6101
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Uplock Switch
- Condition: Dirty
- Location: Mlg
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/00120

## Discrepancy

AIRCRAFT DEPARTED YIP FOR RWI SHORTLY AFTER TAKEOFF LT UNSAFE GEAR LIGHT ILLUMINATED, CREW CYCLED GEAR SEVERAL TIMES WHEN GEAR WAS FULLY EXTENDED GEAR LIGHT WOULD GO OUT. RETURN TO DEPARTURE AIRPORT, MAINTENANCE CLEANED AND LUBED LT MAIN GEAR UPLOCK SWITCH AND OPS CHECKED NORMAL.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.