# SDR GTIA021159

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 28, 2002
- Submitted: December 17, 2002
- Operation: Air carrier
- Aircraft: N806NK
- Make and model: Doug DC-9-81(MD-81)
- Registry model: [Doug DC-9-81(MD-81)](https://openairdocs.org/model/mcdonnell-douglas-dc-9-81-md-81) (OpenAirDocs)
- Aircraft serial: 48051
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Proximity Sensor
- Part number: 833703
- Part serial: B48429
- Condition: Faulty
- Location: Lt Mlg
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/GTIA021159

## Discrepancy

ORD - FLT 1226 - RED LEFT MAIN GEAR INDICATOR LIGHT FLICKERED OCCASIONALLY IN CLIMB-OUT FROM FL200 TO FL280 THEN REMAINED OUT.  FOUND LEFT MAIN UPLATCH PROXIMITY SENSOR BAD.  REMOVED AND REPLACED LEFT MAIN UP LATCH PROX SENSOR.  SYSTEM OPS CHECKS GOOD.  PERFORMED PROX BOX TEST.  OPS CHECK GOOD.  (M)

---
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.
