Service difficulty report · Downlock Switch · Cessna 560XL

Difficulty date
January 10, 2008
Submitted
January 11, 2008
Operation
Air carrier
Aircraft
N614QS
Make and model
Cessna 560XL
Aircraft serial
5605580
Aircraft time
2,411 hours, 1,876 cycles
Engine
Pwc PW545B
Part
Downlock Switch
Condition
Malfunctioned
Location
Mlg
Stage of operation
DE
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

RT GEAR INDICATOR LIGHT SHOWED RT GEAR NOT DOWN AND LOCKED. PEFORMED GEAR SWING MANY TIMES WITH NO FAULTS. APPLIED FREEZE-IT SPRAY TO RT GEAR DOWNLOCK SWITCH GIVING US A FAULTY LIGHT AT GEAR INDICATION. REMOVED RT MAIN ACTUATOR AND INSTALLED REPAIRED ACTUATOR IAW MM 32-30-04 AND CESSNA ENGINEER LETTER DATED 1/10/08. FUNCTIONAL CHECK AND LEAK CHECKS GOOD. SERVICED AND SAFETIED GEAR PNEUMATIC BOTTLE.

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