Service difficulty report · Motor · Grob G120A

Difficulty date
December 9, 2002
Submitted
January 16, 2003
Operation
Air carrier
Aircraft
N867AF
Make and model
Grob G120A
Aircraft serial
85007
Part
Motor
Condition
Failed
Location
Hyd Pump
Component
Pump
Component part number
X030001B
Stage of operation
IN
How discovered
C
Nature of condition
L
Precautionary procedure
K

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

What was found

DURING PROGRESSIVE INSPECTION AFTER BLOWING GEAR DOWN AND CYCLING GEAR MOTOR WINDING SMELLED AS BURNED OUT. GEAR WOULD NOT CYCLED AFTER THAT AND WOULD POP CIRCUIT BREAKER TO THE HYDRAULIC PUMP RCCB. MOTOR ACTED AS IF THE LOAD WAS TO HEAVY FOR THE MOTOR TO PRODUCE THE RECOMMENDED PRESSURE TO RETRACT GEAR.

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