Service difficulty report · Fitting · Dhav DHC7102

Difficulty date
October 26, 2000
Submitted
November 14, 2000
Operation
General aviation
Make and model
Dhav DHC7102
Aircraft time
31,235 hours
Engine
Pwa PT6A50
Propeller
Hamstd 24PF305
Part
Fitting
Condition
Broken
Location
Hyd Line
Part time
31,593 hours, 43,816 cycles
Component
Hydraulic Line
Component part number
72970010383
Stage of operation
CL
How discovered
O
Nature of condition
K, 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) DURING CLIMB NR 2 HYDRAULIC PUMP CAUTION LIGHT ILLUMINTED, SYSTEM PRESSURE AND QUANTITY DROPPED TO ZERO. NR 1 HYDRAULIC PUMP THEN FAILED SHORTLY AFTER. MAINTENANCE DISCOVERED AN ALUMINUM HYDRAULIC LINE BROKEN AT THE FLARED FITTING. THIS LINE IS LOCATED AFT OF THE ENGINE FIRE WALL IN THE NR 2 NACELLE. NR 1 & NR 2 HYDRAULIC PUMP & FILTERS REPLACED. THE SYSTEM BLED AND LEAK CHECKED AND THE AIRCRAFT RETURNED TO SERVICE.