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NTSB Report
June 25, 1990 · Cessna 210L · N732BL
Fort Lauderdale, FL
Overview
Report Status
Probable Cause
Event Type
Incident
Date
June 25, 1990
Injury Outcomes
No injuries (3 uninjured)
Location
Fort Lauderdale, FL
Aircraft
Cessna 210L
Tail Number
N732BL
Injuries
None
Aircraft Damage
Minor
NTSB Number
MIA90IA144
AFTER DEPARTURE, THE PLT RAISED THE LANDING GEAR SELECTOR HANDLE BUT THE GEAR DID NOT FULLY RETRACT. HYDRAULIC FLUID AS ADDED IN AN ATTEMPT TO RETRACT THE GEAR BUT WAS UNSUCCESSFUL. THE FLT PROCEEDED TO THE DESTINATION WHERE HE ATTEMPTED TO LOWER THE GEAR BY THE EMERGENCY METHOD BUT WAS UNABLE. A GEAR UP LANDING WAS PERFORMED. EXAM OF THE ACFT REVEALED THAT THE PISTON & ROD OF THE LT MAIN LANDING GEAR DOOR ACTUATOR EXITED THE CYLINDER DUE TO INCORRECT INSTALLATON OF THE RETAINING RING. THIS ALLOWED HYDRAULIC FLUID TO LEAK, DEPLETING THE SUPPLY. THE ACTUATOR WAS OVERHAULED 6 HRS & 3 CYCLES EARLIER. 47 SERVICE DIFFICULTY REPORTS & ACCIDENT/INCIDENT REPORTS FROM 1/1/84 TO 6/26/90, INDICATED 8 FAILURES DUE TO A DISLODGED RETAINING RING.
NTSB Probable Cause
INCORRECT PLACEMENT OF THE RETAINING RING IN THE LEFT MAIN LANDING GEAR DOOR ACTUATOR BY THE MECHANIC RESULTING IN THE LOSS OF HYDRAULIC FLUID. THIS PREVENTED THE GEAR FROM EXTENDING RESULTING IN THE GEAR UP LANDING.
Full Narrative
AFTER DEPARTURE, THE PLT RAISED THE LANDING GEAR SELECTOR HANDLE BUT THE GEAR DID NOT FULLY RETRACT. HYDRAULIC FLUID AS ADDED IN AN ATTEMPT TO RETRACT THE GEAR BUT WAS UNSUCCESSFUL. THE FLT PROCEEDED TO THE DESTINATION WHERE HE ATTEMPTED TO LOWER THE GEAR BY THE EMERGENCY METHOD BUT WAS UNABLE. A GEAR UP LANDING WAS PERFORMED. EXAM OF THE ACFT REVEALED THAT THE PISTON & ROD OF THE LT MAIN LANDING GEAR DOOR ACTUATOR EXITED THE CYLINDER DUE TO INCORRECT INSTALLATON OF THE RETAINING RING. THIS ALLOWED HYDRAULIC FLUID TO LEAK, DEPLETING THE SUPPLY. THE ACTUATOR WAS OVERHAULED 6 HRS & 3 CYCLES EARLIER. 47 SERVICE DIFFICULTY REPORTS & ACCIDENT/INCIDENT REPORTS FROM 1/1/84 TO 6/26/90, INDICATED 8 FAILURES DUE TO A DISLODGED RETAINING RING.
Flight
Event TypeIncident
Event Time12:27 EDT
Nearest AirportFt. Lauderdale Executive (0nm N)
Runway13
Runway Length3999 ft
Runway Width100 ft
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftCessna 210L
Tail NumberN732BL
Aircraft CategoryAir
DamageMinor
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsTeledyne Cont · IO-520-L3B · Reciprocating · 300
Seats6
People & Injuries
Injury SummaryNo injuries (3 uninjured)
Fatal0
Serious0
Minor0
Uninjured3
Total3
Crew 1Age 49 · Second Class
Conditions
ConditionsVMC
LightDaylight
Wind160° @ 10 kt
Visibility6 sm
CeilingBroken clouds 20000 ft
Temperature / Dew Point0 C / 0 C
Altimeter30.00 inHg
Observation Time16:25
Weather SourcePILO