Service difficulty report · Line · Cvac LB30

Difficulty date
July 19, 2012
Submitted
August 24, 2012
Operation
General aviation
Aircraft
N24927
Make and model
Cvac LB30
Aircraft serial
18
Engine
Pwa R1830*
Part
Line
Part number
GK32F5703389
Condition
Ruptured
Location
Hydraulic Sys
Stage of operation
NR
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

A HYD SYSTEM FAILURE AND SUBSEQUENT INCIDENT WAS CAUSED BY THIS RUPTURED HYD HARD LINE ON THE EXIT SIDE OF THE SYS PRESSURE UNLOADER VALVE. FAILURE WAS APPARENTLY DUE TO FATIGUE AND TIGHT BEND RADIUS. EDDY CURRENT INSPECTIONS ARE NOT ACCOMPLISHED ON TUBING: UNFEASIBLE AND UNREALISTIC TO DO SO. AN UPDATED & STRUCTURALLY STRONGER TUBE WAS MFG AND INSTALLED.