NTSB Identification: ANC86IA010.
The docket is stored on NTSB microfiche number 29730.
Scheduled 14 CFR
Incident occurred Thursday, December 05, 1985 in KENAI, AK
Aircraft: PIPER NAVAJO PA-31-350, registration: N492SC
Injuries: 6 Uninjured.

NTSB investigators used data provided by various sources and may not have traveled in support of this investigation to prepare this aircraft incident report.

THE PILOT IN COMMAND COULD NOT RAISE THE LANDING GEAR PROPERLY AFTER DEPARTURE. HE DIVERTED TO KENAI, ALASKA, WHEREUPON EXTENDING THE GEAR HE OBTAINED THREE SAFE GEAR INDICATIONS. THE PILOT LANDED THE AIRPLANE AND UPON ROLL OUT THE LEFT MAIN GEAR COLLAPSED. METALURGICAL EXAMINATION OF THE RIGHT MAIN GEAR LANDING GEARLINK ASSEMBLY, PN 40279, REVEALED FATIGUE CRACKS IN THE INSIDE RADIUS OF THE FILLET IN THE CLEVIS END.

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

LANDING GEAR,MAIN GEAR..FAILURE,PARTIAL

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

ACFT/EQUIP,INADEQUATE DESIGN..MANUFACTURER


Contributing Factors

LANDING GEAR..INADEQUATE..MANUFACTURER


Contributing Factors

INSUFFICIENT STANDARDS/REQUIREMENTS,MANUFACTURER..FAA(ORGANIZATION)

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