Service difficulty report · Hose · Boeing 7372K2C

Difficulty date
April 28, 2015
Submitted
August 5, 2015
Operation
General aviation
Make and model
Boeing 7372K2C
Aircraft time
61,193 hours
Engine
Pwa JT8D15
Part
Hose
Part number
BACH8A06NN0263T
Condition
Leaking
Location
Hyd System
Stage of operation
IN
How discovered
9
Nature of condition
K
Precautionary procedure
K

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

What was found

(CAN) AFTER REPLACEMENT OF ANOTHER NLG HYDRAULIC LINE WHO NEEDED TO BE REPLACED DUE TO SEEPING, WE PROCEEDED TO CARRY OUT A GEAR SWING FOR PROPER OPERATION AND LEAK CHECK. AFTER SELECTING GEAR UP AND HOLD FOR 5 MINUTES AT 3000 PSI, HYDRAULIC FLUID STARTED COMMING OUT OF THE NOSE GEAR DEPARTMENT. GEAR DOWN WAS SELECTED AND WE SAW THE LT LANDING GEAR ACTUATOR HOSE ASSY. LEAKING JUST ABOVE THE FITTING. ACTUATOR FITTING AS ABOUT A 30 DEGREES ANGLE SO WHEN GEAR IS RETRACTED, THE HOSE GET`S BENT MORE THAN 45 DEGREES.