NTSB Identification: BFO85IA050.
The docket is stored on NTSB microfiche number 30808.
Nonscheduled 14 CFR WORLD AIRWAYS, INC.
Incident occurred Sunday, June 02, 1985 in CHANTILLY, VA
Aircraft: DOUGLAS DC-10-30F, registration: N106WA
Injuries: 201 Uninjured.
NTSB investigators used data provided by various sources and may not have traveled in support of this investigation to prepare this aircraft incident report.
AFTER CLIMBING UP TO AND LEVELING OFF AT 37,000 FEET, THE CREW OF THE DC-10-30F NOTICED THAT THE YORK CONTROL OF THE CAPTAIN AND THE FIRST OFFICER MOVED LATERALLY INDEPENDENTLY OF EACH OTHER FOR APPROXIMATELY TWO INCHES. AFTER MAKING AN UNSCHEDULED UNEVENTFUL LANDING AT DULLES THE LEFT AILERON CABLE TENSION REGULATOR ASSEMBLY WAS FOUND TO HAVE A DECREASE IN CABLE TENSION. AFTER LUBRICATION, THE UNIT JUMPED TO A POSITION WHICH PROVIDED PROPER CABLE TENSION BETWEEN THE CONTROL WHEEL AND THE AILERON CONTROL LOOP. THE OPERATOR CHANGED THEIR LUBRICATION PROGRAM ON THE ASSEMBLIES FROM 'ON CONDITION' TO EVERY 2500 HOURS WHICH EQUATES TO MORE THAN ONCE A YEAR.
The National Transportation Safety Board determines the probable cause(s) of this incident to be:FLT CONTROL SYST,AILERON CONTROL..LOOSE
The National Transportation Safety Board determines the probable cause(s) of this incident to be:MAINTENANCE,LUBRICATION..NOT PERFORMED..COMPANY MAINTENANCE PERSONNEL
The National Transportation Safety Board determines the probable cause(s) of this incident to be:MAINTENANCE,AAIP/PROGRESSIVE PROGRAM..INADEQUATE..FAA(PRINCIPAL MAINTENANCE INSPECTOR)
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