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NTSB Report
May 30, 1985 · Beech 65-A90 · N22WC
San Jose, CA
Overview
Report Status
Preliminary report
Event Type
Accident
Date
May 30, 1985
Injury Outcomes
No injuries (1 uninjured)
Location
San Jose, CA
Aircraft
Beech 65-A90
Tail Number
N22WC
Operator
King Hi-Tech
Injuries
None
Aircraft Damage
Substantial
NTSB Number
LAX85LA264
WHILE LANDING THE RIGHT MAIN LANDING GEAR OF THE AIRCRAFT SEPERATED WHEN THE UPPER TORQUE KNEE LINK FAILED. AFTER THE GEAR SEPARATED THE AIRCRAFT SKIDDED OFF THE RIGHT SIDE OF THE RUNWAY COMING TO REST IN A GRASS AREA. METALLURGICAL EXAMINATION OF THE FAILED TORQUE KNEE REVEALED IT FAILED DUE TO FATIGUE CRACKING WHICH WAS CAUSED BY GOUGES IN THE SURFACE OF THE LINK WHICH CAUSED STRESS CONCENTRATIONS. THE GOUGES HAD BEEN PAINTED OVER. THE AIRCRAFT WAS MAINTAINED IN ACCORDANCE WITH BEECH AIRCRAFT CORPORTATIONS PROGRESSIVE MAINTENANCE PROGRAM WHICH REQUIRES THE LANDING GEAR TORQUE KNEE LINKS TO BE REPLACED OR OVERHAULED EACH 5 YEARS OR 5000 CYCLES. NO RECORD OF THIS HAVING BEEN ACCOMPLISHED COULD BE FOUND IN THE AIRCRAFTS LOGBOOKS.
Full Narrative
WHILE LANDING THE RIGHT MAIN LANDING GEAR OF THE AIRCRAFT SEPERATED WHEN THE UPPER TORQUE KNEE LINK FAILED. AFTER THE GEAR SEPARATED THE AIRCRAFT SKIDDED OFF THE RIGHT SIDE OF THE RUNWAY COMING TO REST IN A GRASS AREA. METALLURGICAL EXAMINATION OF THE FAILED TORQUE KNEE REVEALED IT FAILED DUE TO FATIGUE CRACKING WHICH WAS CAUSED BY GOUGES IN THE SURFACE OF THE LINK WHICH CAUSED STRESS CONCENTRATIONS. THE GOUGES HAD BEEN PAINTED OVER. THE AIRCRAFT WAS MAINTAINED IN ACCORDANCE WITH BEECH AIRCRAFT CORPORTATIONS PROGRESSIVE MAINTENANCE PROGRAM WHICH REQUIRES THE LANDING GEAR TORQUE KNEE LINKS TO BE REPLACED OR OVERHAULED EACH 5 YEARS OR 5000 CYCLES. NO RECORD OF THIS HAVING BEEN ACCOMPLISHED COULD BE FOUND IN THE AIRCRAFTS LOGBOOKS.
Flight
Event TypeAccident
Event Time07:50 PDT
Nearest AirportSan Jose International (0nm N)
Runway30
Runway Length4418 ft
Runway Width150 ft
Flight Plan FiledIFR
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftBeech 65-A90
Tail NumberN22WC
Aircraft CategoryAir
DamageSubstantial
OperatorKing Hi-Tech
Operating RulePart 91
Engines2
Engine TypeTurboprop
Engine DetailsP&W · PT6A-20 · Turboprop · 550
Seats10
People & Injuries
Injury SummaryNo injuries (1 uninjured)
Fatal0
Serious0
Minor0
Uninjured1
Total1
Crew 1Age 38 · Second Class
Conditions
ConditionsVMC
LightDaylight
WindCalm
Visibility15 sm
CeilingNone
Temperature / Dew Point59 / 46
Altimeter29.00 inHg
Observation Time14:50
Weather SourceWFAC