Service difficulty report · Actuator · Cessna 560CESSNA

Difficulty date
September 10, 2001
Submitted
October 3, 2001
Operation
Air carrier
Aircraft
N351WC
Make and model
Cessna 560CESSNA
Aircraft serial
5600330
Engine
Pwa JT15D5
Part
Actuator
Part number
99121201
Part serial
720
Condition
Defective
Location
Nlg
Part time
2,856 hours
Stage of operation
IN
How discovered
C
Nature of condition
O
Precautionary procedure
K

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

What was found

WHILE PERFORMING THE GEAR RETRACTION CHECK IN THE PHASE 2 REQUIREMENTS THE NOSE GEAR WOULD NOT RETRACT. THE HYDRAULIC CART WAS CHECKED AND IT WAS PUTTING OUT 1500 PSI. A KICK TO THE BACKSIDE OF THE NOSE WHEEL CAUSED THE NOSE GEAR TO RETRACT. THE GEAR WOULD RUN DOWN AND LOCK NORMALLY. AFTER FIVE ATTEMPTS AT RAISING THE NOSE GEAR AND FIVE KICKS TO GET IT TO WORK, THE NOSE GEAR THEN STARTED WORKING NORMALLY. FINISHED THE GEAR CHECKS AND THEN ORDERED ANOTHER NOSE GEAR ACTUATOR. APPARENTLY SOMETHING IN THE LOCKING MECHANISM WOULD NOT LET NOSE GEAR RETRACT. THE DOWN AND LOCKED LIGHT WOULD GO OUT, BUT NO RETRACTION WOULD ACTUATOR HAD BEEN REPAIRED BY MFG. INSTALLED EXCHANGE ACTUATOR AND RIGGED, OPS CHECK OK.