NTSB Identification: LAX84LA161.
The docket is stored on NTSB microfiche number 23572.
Accident occurred Saturday, January 28, 1984 in SAN FRANCISCO, CA
Aircraft: CESSNA 401A, registration: N7KF
Injuries: 3 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 AFTER ATTEMPTS TO LOWER THE GEAR WERE UNSUCCESSFUL. THE SYSTEM MALFUNCTIONED BECAUSE THE NOSE GEAR JAMMED THE MAIN GEAR DURING RETRACTION. THE JAMMING OCCURRED BECAUSE THE NOSE STRUT DID NOT EXTEND DUE TO LACKOF AIR PRESSURE. THE AIR CHARGE ADDED AFTER THE ACCIDENT WAS HOLDING 3 WEEKS LATER.

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

LANDING GEAR,NOSE GEAR ASSEMBLY..BINDING(MECHANICAL)

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

GEAR EXTENSION..NOT ATTAINED..PILOT IN COMMAND

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

MAINTENANCE,SERVICE OF AIRCRAFT/EQUIPMENT..INADEQUATE..COMPANY MAINTENANCE PERSONNEL

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

PNEUMATIC SYSTEM..NO PRESSURE

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

MAINTENANCE,PRESSURIZING..INADEQUATE..COMPANY MAINTENANCE PERSONNEL

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