SDR DXTA2009091103784

Service difficulty report · Uplock · Cessna 560XL

Difficulty date: September 12, 2009
Submitted: September 14, 2009
Operation: Air carrier
Aircraft: N671QS
Make and model: Cessna 560XL
Aircraft serial: 5605071
Aircraft time: 8,076 hours, 6,348 cycles
System (JASC): 3230 · Landing Gear Retraction/Extension System
Part: Uplock
Condition: Binding
Location: Mlg
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

AFTER GEAR RETRACTION, GEAR UNLOCK LIGHT REMAINED ILLUMINATED. UPON PULLING AND RESETTING HYD PRESS CIRCUIT BREAKER, NOISE WAS HEARD FROM NOSE AND MALFUNCTION CLEARED. TROUBLESHOOTING FOUND LT MAIN GEAR UPLOCK HOOK INTERMITTENTLY BINDING. CLEANED AND LUBED UPLOCK MECHANISM. GEAR SWINGS AND OPS CHECKS NORMAL. REF MM 32-01-00.

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