Service difficulty report · O-Ring · Dhav DHC8*

Difficulty date
August 13, 2000
Submitted
January 19, 2001
Operation
General aviation
Make and model
Dhav DHC8*
Engine
Pwa PW123
Part
O-Ring
Part number
NAS16121
Condition
Deformed
Location
Sequence Valve
Component
Sequence Valve · 8291000255
Stage of operation
IN
How discovered
V
Nature of condition
O
Precautionary procedure
K

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

What was found

(CAN) DURING A DAILY INSPECTION WHILE ON A MAINTENANCE INPUT; CREW FIXED OXYGEN BOTTLE & ASSOCIATED HOSES FOUND COVERED IN HYDRAULIC FLUID. ACTION: OXYGEN BOTTLE & HOSES REMOVED. HYDRAULIC POWER APPLIED TO THE NR 2 SYSTEM HYDRAULIC LEAK FOUND AT NOSE GEAR SOLENOID SELECTOR VALVE RESTRICTOR UNION O-RING. O-RING REPLACED AND CHECKED SATISFACTORY. AREA THOROUGHLY CLEANED AND OXYGEN EQUIPMENT REFITTED WITH NEW HOSES.