Service difficulty report · Hydraulic System · Boeing 767322

Difficulty date
October 16, 2011
Submitted
October 18, 2011
Operation
Air carrier
Aircraft
N669UA
Make and model
Boeing 767322
Aircraft serial
30025
Aircraft time
45,029 hours, 11,791 cycles
Engine
Pwa PW4056
Part
Hydraulic System
Condition
Leaking
Location
Wing
Stage of operation
IN
How discovered
O
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

LEFT AND RIGHT AILERON LEAKING HYDRAULIC FLUID. EVIDENCE OF LEAKAGE NOTED AT BOTH LT & RT AILERON AREA. OPERATED SURFACES, UNABLE TO IDENTIFY SUSPECT UNIT. RECHECK BOTH LT AND RT AILERONS WITHIN 75 FLT HOURS. HYD QUANTITY NORMAL WITH NO HISTORY OF HYD SERVICING. QTY LT 1.12, CTR .94, RT .96.