SDR DL76L000246

Service difficulty report · Actuator · Boeing 767332

Difficulty date: February 2, 2000
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N190DN
Make and model: Boeing 767332
Aircraft serial: 28447
System (JASC): 2911 · Hydraulic Power Accumulator, Main
Part: Actuator
Condition: Leaking
Location: Hyd System
Stage of operation: CR
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

CENTER HYD SYS BEGAN SLOW LEAK. UNABLE TO ISOLATE LEAK WITH PUMPS. LEAK CONTINUED WITH ANY PUMP RUNNING. OBSERVED FLUID LEAKING OVER L INBOARD AILERON AND SPOILER JUST OUTBOARD OF INBOARD AILERON. ALTHOUGH FLUID LOSS, APPEARED TO STOP WITH ALL PUMPS OFF, FLUID .73. FOUND LEAK AT NR 3 SPOILER ACT. REPLACED O-RING AND SVC CENTER HYD SYSTEM. LEAK CHECK AND OPERATION CHECK OK.