SDR DXTA2011103104773

Service difficulty report · Downlock Switch · Cessna 560XL

Difficulty date: October 28, 2011
Submitted: October 31, 2011
Operation: Air carrier
Aircraft: N615QS
Make and model: Cessna 560XL
Aircraft serial: 5605360
Aircraft time: 6,940 hours, 5,514 cycles
System (JASC): 3260 · Landing Gear Position and Warning
Part: Downlock Switch
Condition: Failed
Location: Mlg Actuator
Component: Actuator
Component part number: 99125373
Stage of operation: AP
How discovered: O
Nature of condition: P
Precautionary procedure: O

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

What was found

UPON PLACING THE GEAR HANDLE IN THE GEAR DOWN POSITION, THE LT MAIN GEAR LIGHT WOULD NOT ILLUMINATE. TROUBLESHOT SYS TO FAULTY DOWNLOCK SWITCH ON LT MLG ACTUATOR. R & R NR 1 MLG ACTUATOR WITH REPAIRED UNIT IAW MM 32-30-04. PERFORMED CAMBER CHECK, BLED SYS, SERVICED BLOW DOWN BOTTLE. LEAK AND OPS CHECKED GOOD.

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