SDR HALA0800523

Service difficulty report · Aileron · Boeing 767333

Difficulty date: April 10, 2008
Submitted: April 12, 2008
Operation: Air carrier
Aircraft: N581HA
Make and model: Boeing 767333
Aircraft serial: 28141
Aircraft time: 23,607 hours, 4,567 cycles
System (JASC): 2710 · Aileron Control System
Part: Aileron
Condition: Malfunctioned
Stage of operation: CR
How discovered: O
Nature of condition: J
Precautionary procedure: O

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

What was found

ETOPS SIGNIFICANT SYSTEM ON CLIMB TO 320 W/AUTO PILOT ON BOTH (LT AND RT) INBD AILERON INDICES ON THE FLIGHT CONTROL STATUS DISPLAYS WERE 1/3 OF TOTAL SCALE ABOVE THE MEDIAN LINE. AT LEVEL, BOTH INDICES WENT TO 1/4 SCALE ABOVE MEDIAN. TURNING AUTO PILOT OFF PRODUCED NO NOTICABLE PITCH OR ROLL TENDENCIES. MCDP TEST CARRIED OUT FOR ALL 3 AUTO PILOTS. NO LAST FLIGHT FAULTS FOUND. ACCOMP AMMM 27-11-00-715-002, OPS TEST AILERON AND AILERON TRIM CONTROL SYSTEM. OPS CK OK.