NTSB Identification: NYC85FA138.
The docket is stored on NTSB microfiche number 32001.
Scheduled 14 CFR AMERICAN AIRLINES
Accident occurred Tuesday, May 28, 1985 in JAMAICA, NY
Aircraft: MCDONNELL DOUGLAS DC-10-10, registration: N108AA
Injuries: 212 Uninjured.

NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.

THE FORWARD ONE-THIRD PORTION OF THE CORE COWL DOOR ON NO. 3 ENGINE SEPARATED IN FLIGHT FIRST STRIKING THE LEADING EDGE OF THE RIGHT WING, THEN PUNCTURING THE FUSELAGE. CAUSING RAPID DECOMPRESSION AT FL 170. THE CORE COWL DOOR LATCHES WERE NOT ADJUSTED & CORE COWL DOOR SHEAR PINS WERE NOT INSTALLED PER MCDONNELL DOUGLAS SERVICE BULLETIN NO. 71-86. DATED MAY 12, 1985.

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

DOOR,INSPECTION..SEPARATION

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

FUSELAGE,CABIN..DECOMPRESSION

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

MAINTENANCE,ADJUSTMENT..IMPROPER..COMPANY MAINTENANCE PERSONNEL

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

INADEQUATE SURVEILLANCE,INADEQUATE PROCEDURE..COMPANY/OPERATOR MGMT

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

FUSELAGE,CABIN..PENETRATED


Contributing Factors

PROCEDURE INADEQUATE..COMPANY MAINTENANCE PERSONNEL

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