Service difficulty report · Motor · Beech C99

Difficulty date
April 7, 2015
Submitted
April 13, 2015
Operation
Air carrier
Aircraft
N63978
Make and model
Beech C99
Aircraft serial
U171
Aircraft time
33,554 hours, 52,339 cycles
Part
Motor
Part number
1153800025
Part serial
2682
Condition
Inoperative
Location
Landing Gear
Part time
2,798 hours, 3,661 cycles
Stage of operation
AP
How discovered
O
Nature of condition
J
Precautionary procedure
K

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

What was found

ON APPROACH, THE PILOT SELECTED THE LG TO THE DOWN POSITION. THE LG FAILED TO EXTEND & THE LG CONTROL CB POPPED. THE PILOT RESET THE CB & CYCLED THE LG WITH THE SAME RESULTS, THE CB POPPED & THE LG WOULD NOT EXTEND. THE PILOT PERFORMED AN EMER GEAR EXTENSION, THE LG EXTENDED TO THE FULL DOWN & LOCKED POSITION WITH 3 GREEN SAFE INDICATIONS. THE PILOT LANDED WITHOUT INCIDENT. MX FOUND THE LG ELEC MOTOR, PN 115-380002-5 INOPERATIVE. R & R THE LG MOTOR. THE LANDING SYS WAS FUNCTIONAL CHECKED THROUGH FIVE GEAR CYCLES. LG SYS CHECKED NORMAL..

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