SDR DXTA200702372

Service difficulty report · Uplock Switch · Cessna 560CESSNA

Difficulty date: August 1, 2007
Submitted: August 27, 2007
Operation: Air carrier
Aircraft: N808QS
Make and model: Cessna 560CESSNA
Aircraft serial: 5600619
Aircraft time: 3,647 hours, 2,887 cycles
Engine: Pwa PW535A
System (JASC): 3260 · Landing Gear Position and Warning
Part: Uplock Switch
Condition: Out Of Adjust
Location: Nlg
Stage of operation: CL
How discovered: O
Nature of condition: J
Precautionary procedure: A

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

What was found

UPON GEAR RETRACTION THE 3 GREEN LIGHTS WENT OUT, THE HYDRAULIC PUMP LIGHT WENT OUT, AND THE RED GEAR UNLOCK LIGHT REMAINED ON. JACKED A/C, PERFORMED LANDING GEAR HYD SYSTEM ADJ TEST. SWUNG GEAR 10 TIMES, NO DISCREPANCY'S. INSPECTED GEAR UPLOCK SWITCHES FOR PROPER ADJUSTMENT. ADJUSTED NOSE GEAR UPLOCK SWITCH, SWUNG GEAR 10 MORE TIMES, OPS CHECKED GOOD. RESET AND SERVICED ONGOING GEAR BLOW DOWN BOTTLE. REF MM 32-01-00, 32-31-05/32-30-00.