SDR 9602216303

Service difficulty report · Actuator · Boeing 747451

Difficulty date: January 25, 1996
Submitted: March 26, 2000
Operation: Air carrier
Aircraft: N663US
Make and model: Boeing 747451
Aircraft serial: 23818
System (JASC): 2710 · Aileron Control System
Part: Actuator
Part number: 550030017
Condition: Failed
Location: Rt Aileron
Part time: 17,189 hours
Stage of operation: CR
Nature of condition: J
Precautionary procedure: A, J

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

What was found

DURING CRUISE, AN AILERON LOCKOUT STATUS MESSAGE APPREARED ON EICAS. AIRCRAFT DUMPED 161,000 POUNDS OF FUEL, RETURNED TO DTW, AND LANDED WITHOUT INCIDENT. REPLACED THE RIGHT OUTBOARD AILERON ACTUATOR. OPERATIONAL CHECK OK. PART TOTAL CYCLES, 2,069.