Service difficulty report · Tube · Dhav DHC8311

Difficulty date
April 10, 2012
Submitted
September 14, 2015
Operation
General aviation
Make and model
Dhav DHC8311
Aircraft time
24,492 hours
Engine
Pwa PW123
Propeller
Hamstd 14SF23
Part
Tube
Part number
82920010363
Condition
Cracked
Location
Hyd System
Part time
11,584 hours
Stage of operation
DE
How discovered
O
Nature of condition
K
Precautionary procedure
A

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

What was found

(CAN) DURING THE GEARS DOWN SELECTION PILOT NOTICE THAT ALL OF THE HYDRAULIC FLUID WAS LOST ON NR 2 HYDRAULIC SYSTEMS. LANDING GEAR EXTENSION COMPLETED NORMALLY AND AFT LANDED SAFELY. INSPECTION REVEALED THAT HYDRAULIC TUBE FOUND CRACK AT IT FLARE RADIUS. NR 2 ENGINE DRIVEN PUMP WAS REPLACED SINCE PUMP RUN DRY MORE THEN 15 MINUTES. NR 2 HYDRAULIC SYSTEM FILTERS INSPECTED AND REPLACED NO CONTAMINATION FOUND.