Service difficulty report · Actuator · Dhav DHC8102

Difficulty date
June 12, 2010
Submitted
January 4, 2011
Operation
Air carrier
Make and model
Dhav DHC8102
Aircraft time
52,879 hours
Engine
Pwa PW120A
Propeller
Hamstd 14SF7
System (JASC)
5755 · Spoilers
Part
Actuator
Part number
A44700009
Condition
Cracked
Location
Spoiler
Part time
54,910 hours
Stage of operation
IN
How discovered
V
Nature of condition
K
Precautionary procedure
K

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

What was found

DURING ROUTINE MX, A HYD LEAK WAS NOTICED COMING FROM THE RT WING. INVESTIGATION REVEALED THAT THE RT INBD ROLL SPOILER ACTUATOR HSG HAD FRACTURED AND WAS LEAKING. THE RT INBD ROLL SPOILER ACTUATOR WAS REPLACED. ACFT TSN 53712, CSN 56685. PART INFO: PN REMOVED A44700-009, SN 0162, PART TSN 54910, CSN 66077, TSR 3802, CSR 3706. SUBMITTED 2 PREVIOUS OCCURRENCES THIS YEAR FOR THE SAME PART WITH THE SAME FAILURE MODE ON SDR 20100113002 & 20100129010.