NTSB Identification: LAX86LA068.
The docket is stored on NTSB microfiche number 30132.
Accident occurred Tuesday, December 17, 1985 in CANOGA PARK, CA
Aircraft: PIPER PA-24-250, registration: N6740P
Injuries: 1 Minor.

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 THE PLT WAS CRUISIN IN HIS OWN ACFT, AN ENG OIL LEAK DEVELOPED, OIL PRESSURE DECREASED & ENG POWER WAS LOST, THE PLT ATTEMPTED TO MAKE AN EMERGENCY LDG ON A CITY STREET, ON APPROACH THE ACFT COLLIDED WITH POWER LINES & A FENCE, & THE ACFT CAME TO REST UPSIDE DOWN, EXAM OF THE PARTIALLY OIL COVERED ENG REVEALED THAT AN OIL FLEX HOSE TO THE OIL COOLER HAD BEEN PREVIOUSLY WRAPPED WITH A METALLIC-LIKE TAPE. THE HOSE, WHICH WAS OIL-COVERED, HAD A BRITTLE/CRUMBLY APPEARING CORE.

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

MAINTENANCE..IMPROPER..PILOT IN COMMAND

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

MAINTENANCE,INSPECTION..INADEQUATE..PILOT IN COMMAND




Contributing Factors

LUBRICATING SYSTEM,OIL HOSE..CRACKED


Contributing Factors

MAINTENANCE,REPLACEMENT..NOT PERFORMED..PILOT IN COMMAND




Contributing Factors

FLUID,OIL..LOSS,TOTAL

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