# SDR GTIA9700335

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 5, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: N928ML
- Make and model: Doug DC-9-31
- Registry model: [Doug DC-9-31](https://openairdocs.org/model/douglas-dc-9-31) (OpenAirDocs)
- Aircraft serial: 47326
- System (JASC): [3260 · Landing Gear Position and Warning](https://openairdocs.org/jasc/3260)
- Part: Uplimit Switch
- Part number: 7000010101
- Condition: Failed
- Location: Lt Mlg
- Stage of operation: CL
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/GTIA9700335

## Discrepancy

PIE - FLT 220 - DEPARTING EWR, UPON GEAR RETRACTION, 'LEFT GEAR UNSAFE' AND 'GEAR DOOR OPEN' LIGHTS REMAINTED ILLUMINATED.  REFERRED TO ABNORMALS CHECK LIST 'RED LIGHT ON WITH GEAR HANDLE UP'.  CYCLED L/G, LIGHTS EXTINGUISHED AND UPLOCK CHECKED GOOD.  CONTINUED FLT.  INSPECT MLG LEFT DOOR LATCH PER MM 32-31-4.  ALL MEASUREMENTS FOR CATCH ASSY GOOD.  FOUND TRACES OF DIRT IN UPLOCK SWITCH CANNON PLUG.  CLEANED CANNON PLUG THOROUGHLY AND RE-INSTALLED.  CLEANED CANNON PLUG FOR GEAR DOOR SW LIGHTS.  OPS CK NORM PER 32-60-1.   R/R'D LEFT MLG UPLIMIT SW IAW 32-60-1.  UNIT 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.