Service difficulty report · Coupling · Airtrc AT802

Difficulty date
November 16, 2001
Submitted
February 5, 2002
Operation
General aviation
Make and model
Airtrc AT802
Aircraft time
100 hours
Part
Coupling
Part number
B10006
Condition
Split
Location
Flap Drive
Stage of operation
IN
How discovered
V
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) DURING ANNUAL INSPECTION THE FLAP DRIVE RUBBER COUPLING WAS FOUND TO BE SPLIT, EARLIER IN THE OPERATING SEASON A LOOSE WIRE ON THE FLAPS DOWN SWITCH CAUSED THE FLAPS TO OVERTRAVEL AND BOTTOM OUT THE ACTUATOR. EXPERIENCE HAS SHOWN THAT WHEN THIS SITUATION HAPPENS, THE RUBBER COUPLING IS DAMAGED FROM THE SUDDEN STOPPAGE. THE RUBBER COUPLING SHOULD BE INSPECTED ANY TIME AN OVERTRAVEL IS EXPERIENCED.