NTSB Identification: ATL88IA139.
The docket is stored on NTSB microfiche number 37653.
Scheduled 14 CFR operation of EASTERN AIRLINES INC (D.B.A. EASTERN AIRLINES )
Incident occurred Monday, April 11, 1988 in ATLANTA, GA
Probable Cause Approval Date: 01/25/1990
Aircraft: BOEING 727-225A, registration: N889Z
Injuries: 83 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.

THE LEFT MLG OUTER CYLINDER MAIN TRUNNION FRACTURED AND SEPARATED WHILE THE AIRPLANE WAS SITTING AT THE GATE, SHORTLY BEFORE THE PLANNED DEPARTURE. SUBSEQUENT METALLURGICAL EXAM OF THE PART REVEALED THAT IT WAS IMPROPERLY OVERHAULED, WHICH SIGNIFICANTLY REDUCED THE LIFE OF THE PART.

The National Transportation Safety Board determines the probable cause(s) of this incident to be:

LANDING GEAR,MAIN GEAR..FRACTURED

The National Transportation Safety Board determines the probable cause(s) of this incident to be:

MAINTENANCE,OVERHAUL..IMPROPER..COMPANY MAINTENANCE PERSONNEL

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