SDR 29GA2015030900003

Service difficulty report · Uplock Switch · Saab 340B

Difficulty date: March 6, 2015
Submitted: March 9, 2015
Operation: Air carrier
Aircraft: N361AG
Make and model: Saab 340B
Aircraft serial: 340B451
Aircraft time: 29,861 hours, 33,754 cycles
System (JASC): 3260 · Landing Gear Position and Warning
Part: Uplock Switch
Condition: Iced
Location: Mlg
Stage of operation: CL
How discovered: O
Nature of condition: N
Precautionary procedure: O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

GEAR HANDLE LIGHT AND HYD PUMP REMAIN ON WHILE GEAR HANDLE IS UP. CLEANED AND INSPECTED MAIN GEAR AND FOUND ICE ACCUMLUATED ON THE UPLOCK SWITCHES AND THE DOORS, CLEANED AND SWUNG THE GEAR MULTIPLE TIMES COULD NOT DUPLICATE THE PROBLEM, OK FOR RETURN TO SERVICE, OPS CHECK GOOD.

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