Service difficulty report · Actuator · Cessna 750

Difficulty date
March 31, 2011
Submitted
January 27, 2012
Operation
Air carrier
Aircraft
N949QS
Make and model
Cessna 750
Aircraft serial
7500049
Aircraft time
11,092 hours, 6,989 cycles
Part
Actuator
Part number
278882
Part serial
0287
Condition
Inoperative
Location
Mlg
Part time
3,866 hours, 2,362 cycles
Stage of operation
CL
How discovered
O
Nature of condition
S, 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 LANDING GEAR RETRACTION, GEAR UNLOCK LIGHT REMAINED ILLUMINATED ABOUT 25 SECONDS LONGER THAN NORMAL, ACCOMPANIED WITH LOUD WIND NOISE THEN FOLLOWED BY THE SOUND OF THE NOSE GEAR LOCKING UP AND A SLOW REDUCTION IN NOISE AS THE NOSE GEAR SLOWLY CLOSED AND THE GEAR UNLOCK LIGHT EXTINGUISHED. UPON GEAR EXTENSION, THE WIND NOISE SEEMED LOUDER THAN NORMAL. SUB: SWUNG GEAR SEVERAL TIMES WITH NO FAULTS. THIS NOSE ACTUATOR WAS REPAIRED IN 2005. REMOVED NOSE GEAR ACTUATOR REC -3 RENT. REPLACED THE NOSE GEAR ACTUATOR IAW MM 32-30-03. OPS AND LEAK CHECKS GOOD. NOSE GEAR DOOR OPS CHECK GOOD IAW 32-30. NOSEGEAR CASTER CHECK GOOD IAW MM 32-30-03. NLG ADJUSTMENT TEST GOOD IAW MM CH 32-00-01 (REV 40) FIT CHECK GOOD, CLEARANCE CHECK GOOD.

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