# SDR DXTA2011012704436

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 26, 2011
- Submitted: January 27, 2011
- Operation: Air carrier
- Aircraft: [N737QS](https://openairdocs.org/aircraft/N737QS), registered now
- Make and model: Gulstm 200
- Aircraft serial: 127
- Aircraft time: 4,168 hours, 2,550 cycles
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Proximity Switch
- Part number: 4AS8135500503
- Condition: Intermittent
- Location: Lt 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/DXTA2011012704436

## Discrepancy

AFTER TAKEOFF, WITH LANDING GEAR LEVEL SELECTED UP, LT MAIN GEAR INDICATOR INDICATED UNSAFE (YELLOW RECTANGLE W/HASH MARKS).  NOSE AND RT MAIN INDICATORS INDICATED UP. QRH PROCEDURE WAS ACCOMPLISHED.  WITH GEAR LEVER "DOWN" HAD 3 DOWN AND GREEN INDICATIONS.  R & R THE LT MAIN GEAR DOOR AFT PROXIMITY SWITCH AND HARNESS.  ADJUSTED PROXIMITY SWITCH.  PERFORMED GEAR SWINGS MULTIPLE TIMES.  OPS CHECKED GOOD.  WORK DONE IAW MM 32-10-11.

---
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.