Service difficulty report · Actuator · Grob G120A

Difficulty date
October 25, 2011
Submitted
January 23, 2013
Operation
General aviation
Make and model
Grob G120A
Aircraft time
2,335 hours
Engine
Lyc AEIO540D4D5
Propeller
Hartzl HCC3YR
Part
Actuator
Part number
120A4262
Condition
Malfunctioned
Location
Rt Flap
Part time
2,919 hours
Stage of operation
IN
How discovered
9
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

(CAN) WHEN FLAPS ARE SELECTED TO UP, LOUD SCREECHING AND HOWLING SOUNDS COMING FROM THE RT FLAP ACTUATOR. THIS HAPPENS ONLY AT THE LAST 4" OF TRAVEL IN THE UP DIRECTION.

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