NTSB Identification: NYC85IA043.
The docket is stored on NTSB microfiche number 27440.
Scheduled 14 CFR AMERICAN AIRLINES INC.
Incident occurred Wednesday, December 12, 1984 in JAMAICA, NY
Aircraft: MCDONNELL DOUGLAS DC-10-10, registration: N117AA
Injuries: 189 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.
DURING TAXI FOR DEPARTURE, ACFT EXPERIENCED SEVERAL JOLTS TO THE RIGHT. CAPT STOPPED ACFT AND REQUESTED GRND PERSONNEL TO INSPECT LANDING GEAR. INSPECTION REVEALED RT MAIN GEAR TRUCK BEAM FAILED. METALLURGICAL INSPECTION OF TRUCK BEAM ASS'Y CONCLUDED THE FAILURE WAS CAUSED BY STRESS CORROSION. MANUFACTURER REVISED SERVICE BULLETIN, A32-127, ON 5/9/85 TO ADDRESS STRESS CORROSION IN AREA WHERE THE FAILURE OCCURRED AND RECOMMENDED MODIFICATION. THE FAILED TRUCK BEAM HAD BEEN MODIFIED IN OCTOBER 1981 BY THE OPERATOR.
The National Transportation Safety Board determines the probable cause(s) of this incident to be:LANDING GEAR,MAIN GEAR STRUT..STRESS CORROSION
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