NTSB Identification: DEN86LA102.
The docket is stored on NTSB microfiche number 31053.
Nonscheduled 14 CFR
Accident occurred Sunday, March 23, 1986 in STEINS, NM
Aircraft: DOUGLAS C-47, registration: N37AP
Injuries: 4 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.

WHILE EN ROUTE, THE LEFT ENG OF THE C-47 LOST PARTIAL PWR AS A RESULT OF A CRACKED CYLINDER. THE CREW STATED THE LEFT ENG WAS SHUT DOWN AND ADDITIONAL PWR WAS APPLIED TO THE RIGHT ENG TO COMPENSATE FOR THE INCREASING RATE OF DESCENT. THE CREW STATED A SHORT TIME LATER, THE RIGHT ENG STARTED RUNNING ROUGH AND FORCED LANDING WAS MADE. DURING THE INVESTIGATION, INTERNAL MALFUNCTION COULD BE DETERMINED IN THE RIGHT ENG.

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

ENGINE ASSEMBLY,CYLINDER..CRACKED

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

AIRCRAFT PERFORMANCE,TWO OR MORE ENGINES..INOPERATIVE




Contributing Factors

PRECAUTIONARY LANDING..PERFORMED..PILOT IN COMMAND

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