NTSB Identification: ATL86LA090.
The docket is stored on NTSB microfiche number 30982.
Scheduled 14 CFR operation of AMERICAN AIRLINES, INC.
Accident occurred Wednesday, March 12, 1986 in MEMPHIS, TN
Probable Cause Approval Date: 02/03/1988
Aircraft: BOEING 727-223, registration: N877AA
Injuries: 1 Serious,1 Minor,68 Uninjured.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

AMERICAN AIRLINES FLIGHT 502 EXPERIENCED A FIRE WARNING LIGHT ILLUMINATION ON NO. 1 ENGINE AS THE AIRCRAFT WAS CLIMBING THROUGH 6000 FEET. THE PILOT DECLARED AN EMERGENCY AND RETURNED TO MEMPHIS. FOLLOWING THE LANDING THE PILOT ORDERED A PASSENGER EMERGENCY EVACUATION. DURING THE EVACUATION THE REAR SLIDE DEFLATED AFTER THE SLIDE MATERIAL WAS PUNCTURED. THE EXAMINATION OF THE MATERIAL DISCLOSED THAT THE PUNCTURE WAS THE RESULT OF A SHOE HEEL. THE EXAMINATION OF THE FIRE WARNING SYSTEM DISCLOSED THAT A DUCT CONNECTOR IN THE SYSTEM HAD FAILED. THE INJURY RECEIVED BY THE INJURED PASSENGER RESULTED FROM JUMPING OFF THE LEFT WING SURFACE DURING THE EVACUATION PHASE.

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

EMERGENCY PROCEDURE..NOT FOLLOWED..PASSENGER


Contributing Factors

FIRE WARNING SYSTEM,POWERPLANT..FAILURE,TOTAL


Contributing Factors

MISC EQPT/FURNISHINGS,SLIDES..FAILURE,TOTAL

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