NTSB Identification: LAX84LA476.
The docket is stored on NTSB microfiche number 26394.
Accident occurred Saturday, September 08, 1984 in RIALTO, CA
Aircraft: CESSNA 152, registration: N4959H
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 PLT STATED THAT THIS WAS THE FIRST FLT AFTER THE ENG HAD BEEN OVERHAULED. DURING THE TAKEOFF CLIMB AT AN ALT OF 500 FT THE ENG LOST PWR. THE PLT MADE A HARD LANDING ADJACENT TO THE RWY. EXAM OF THE ENG AFTER THE ACCIDENT REVEALED THE EXHAUST ROCKER ARM ADJUSTING HAD NOT BEEN TORQUED TO THE REQUIRED 450 INCH POUNDS, THUS EXCESSIVE CYLINDER PRESSURE DEVELOPED AND BENT THE INTAKE PUSHROD.

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

EXHAUST SYSTEM..OTHER

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

AIRCRAFT HANDLING..INADEQUATE..PILOT IN COMMAND

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

FLARE..MISJUDGED..PILOT IN COMMAND

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

ENGINE ASSEMBLY,PUSH ROD..BRITTLE FRACTURE

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

MAINTENANCE,OVERHAUL..IMPROPER..OTHER MAINTENANCE PERSONNEL

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