Service difficulty report · Bearing · Dhav DHC8311

Difficulty date
February 6, 2012
Submitted
September 14, 2015
Operation
General aviation
Make and model
Dhav DHC8311
Aircraft time
36,916 hours
Engine
Pwa PW123
Propeller
Hamstd 14SF23
System (JASC)
5755 · Spoilers
Part
Bearing
Part number
MB543DDFS464
Condition
Corroded
Location
Roll Spoiler
Stage of operation
DE
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

(CAN) PILOT REPORTED RESISTANCE IN ROLL CONTROL NOTICED WITH FULL DEFLECTION WITH ASSOCIATED ILLUMINATE OF SPOILER 2 PFCS PUSH OFF SWITCH LIGHT. UPON FURTHER INSPECTION, FOUND LT AND RT OTBD ROLL SPOILER ACTUATOR TO HAVE 2 CORRODED BEARINGS. LT ACTUATOR REPLACED AND RT ACTUATOR BEARINGS REPLACED. GROUND TEST CARRIED OUT CHECKED SERVICEABLE. ACFT RETURNED TO SERVICE.