Service difficulty report · Bearing · Dhav DHC8102

Difficulty date
June 29, 2003
Submitted
July 14, 2003
Operation
General aviation
Make and model
Dhav DHC8102
Aircraft time
30,847 hours
Engine
Pwa PW120A
Propeller
Hamstd 14SF7
System (JASC)
5755 · Spoilers
Part
Bearing
Part number
MB543DDFS464
Condition
Seized
Location
Spoiler
Part time
31,740 hours, 34,790 cycles
Component
Spoiler
Component part number
A44700009
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) BEARING FOUND SEIZED DURING 'D' CHECK INSPECTION AT SUMMING LEVER WHERE FEEDBACKARM ATTACHES. THIS CAUSES THE FEEDBACK ARM TO TWIST AND BIND INCREASING FRICTIO N TO THE POINT WHERE NEAR FULL TRAVEL, THE SPOILER CLUTCH WILL DISENGAGE. ROLL SPOILER ACTUATOR (RT IB) REPLACED AND CHECKED, SERVICEABLE.