Service difficulty report · O-Ring · Dhav DHC8311

Difficulty date
October 24, 2013
Submitted
September 14, 2015
Operation
General aviation
Make and model
Dhav DHC8311
Aircraft time
49,770 hours
Engine
Pwa PW123
Propeller
Hamstd 14SF*
Part
O-Ring
Condition
Failed
Location
Hyd System
Part time
49,348 hours
Stage of operation
CR
How discovered
O
Nature of condition
K, J
Precautionary procedure
A

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

What was found

(CAN) REF: DEFECT-1139169 LT ISO CL CAME ON, ON ROUTE. HYD QTY IN SYS 1 AFTER LANDING WAS 0.8. NR 1 NACELLE NR 1 HYDRAULICS. FLIGHT SPOILER PRESSURE SWITCH O-RING BLOWN, IPC REF 27-14-00 FIG 52 ITEM140. O-RING P/N-NAS1612-6A , REPLACED,LEAK AND FUNCTION CHECKS COMPLETED. SYSTEM BLED FOR AIR. SERVICEABLE.