NTSB Identification: NYC85LA077.
The docket is stored on NTSB microfiche number 28240.
Accident occurred Sunday, March 10, 1985 in WAYNESBURG, PA
Aircraft: Rockwell 112A, registration: N1339J
Injuries: 2 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.
THE ACFT WAS LANDED GEAR-UP IN A FLD FOLLOWING A LOSS OF PWR DURING AN INITIAL TAKEOFF CLIMB. PURPOSE OF THE FLT WAS TO CHECK THE ENG AS IT HAD BEEN DISASSEMBLED BECAUSE OF METAL CONTAMINATION FROM THE CENTER MAIN BEARING. POST ACCIDENT INSPECTION OF THE ENG DISCLOSED THE #1, #2 AND #4 CYLINDER SPARK PLUG ELECTRODES WERE PEENED WITH BROKEN OUT SECTIONS AND CERAMIC POSTS. THE RESPECTIVE CYLINDER BARRELS AND PISTON HEADS WERE FOUND BADLY MARKED. THE #3 PISTON HEAD WAS SLIGHTLY MARKED AND PEENING WAS BISIBLE ON THE VALVE HEADS. INTAKE AND EXHAUST PIPES SHOWED SCRAPE MARKS WHEN REMOVED. A 1/8 INCH PIECE OF ALUMINUM PIPE WAS FOUND INSIDE THE #4 INTAKE PIPE.
The National Transportation Safety Board determines the probable cause(s) of this accident to be:ENGINE ASSEMBLY..FOREIGN OBJECT
The National Transportation Safety Board determines the probable cause(s) of this accident to be:MAINTENANCE,MAJOR REPAIR..INATTENTIVE..PILOT IN COMMAND
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