Service difficulty report · Shaft · Dhav DHC8102

Difficulty date
August 25, 2014
Submitted
March 12, 2015
Operation
General aviation
Make and model
Dhav DHC8102
Aircraft time
62,111 hours
Engine
Pwa PW120A
Propeller
Hamstd 14SF7
Part
Shaft
Part number
570717
Condition
Sheared
Location
Nr 2 Edp
Part time
55,330 hours
Component
Pump · Vickers
Component part number
570347
Stage of operation
AP
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

(CAN) FLIGHT CREW REPORTED NR 2 HYD EDP CAUTION LIGHT ILLUMINATED AFTER LANDING GEAR DOWN SELECTION ON APPROACH. ALL WITH HYDRAULICS FUNCTIONED NORMALLY WITH STANDBY PUMP #2 ON. MAINTENANCE FOUND THE NR 2 EDP SHAFT SHEARED WITH DAMAGE ON SPLINES OF THE SHAFT. EDP REPLACED AND AIRCRAFT RETURNED TO SERVICE FOLLOWING OPERATIONAL CHECKS AND LEAK CHECKS. THE EDP HAS BEEN ON THE AIRCRAFT FOR 1,818 DAYS AND HAS ACCUMULATED 10,642 HOURS AND 11,094 CYCLES SINCE LAST REPAIR.