Service difficulty report · Tube · Dhav DHC8301

Difficulty date
March 21, 2004
Submitted
July 22, 2004
Operation
General aviation
Make and model
Dhav DHC8301
Aircraft time
34,689 hours, 23,984 cycles
Engine
Pwa PW123
Propeller
Hamstd 14SF15
Part
Tube
Part number
82950010161
Condition
Leaking
Location
Flt Spoiler
Stage of operation
CR
How discovered
O
Nature of condition
K
Precautionary procedure
O

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

What was found

(CAN) HYDRAULIC SYSTEM FAILURE (NR 1 ISO VALVE AND ROLL SPOILER INBOARD HYDRAULIC CAUTION LIGHTS) HYDRAULIC TUBE FOR LT INBOARD FLIGHT SPOILER ACTUATOR (UNLOAD) FOUND WITH PINHOLES. TUBE REPLACED, FUNCTION AND LEAK CHECKS COMPLETED. NR 1 HYDRAULIC EDP WAS NOT RUN DRY (APPROX. 1 LITER IN RESERVOIR ON ARRIVAL). NR 1 HYDRAULIC FILTER BYPASS INDICATORS OK.