NTSB Identification: NYC86LA083.
The docket is stored on NTSB microfiche number 30300.
Accident occurred Wednesday, March 12, 1986 in WHITE PLAINS, NY
Aircraft: CESSNA T210N, registration: N5217C
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.

DURING THE FLIGHT THE PLT NOTED A FULL DISCHARGE ON THE AMMETER AND A OPEN ALTERNATOR CIRCUIT BREAKER AFTER ATC REPORTED LOSS OF TRANSPX SIGNAL. THE CIRCUIT BREAKER WOULD NOT RESET. THE LOW VOLTAGE LIGHT DID NOT COME ON. HE DIVERTED THE FLIGHT TO WHITE PLAINS AND REDUCED ELECTRICAL LOAD. DURING THE APCH, THE PLT LOWERED THE FLAPS AND GEAR ELECTRICALLY. HE DID NOT RECALL WHETHER THE GEAR DOWN LIGHTS CAME ON. UPON LANDING THE NOSE GEAR COLLAPSED. THE MAIN GEAR WAS FOUND IN THE GEAR BAY. EXAMINATION OF THE ACFT REVEALED 3 WIRES LOOSELY CONNECTED TO THE ALTERNATOR CIRCUIT BREAKER. THE TERMINALS OF THE CIRCUIT BREAKER WERE DISCOLORED FROM SILVER TO BLUE. APPROX 1-1/2 TURNS OF THE SCREWS WERE REQUIRED TO SNUG THE WIRES TO TERMINAL.

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

ELECTRICAL SYSTEM,CIRCUIT BREAKER..OVERTEMPERATURE

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

LANDING GEAR,NORMAL RETRACTION/EXTENSION ASSEMBLY..DISABLED

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

MAINTENANCE..INADEQUATE

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

ELECTRICAL SYSTEM,ELECTRIC WIRING..ARCING

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

ELECTRICAL SYSTEM,ELECTRIC WIRING..LOOSE

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

ELECTRICAL SYSTEM,ALTERNATOR..DISABLED

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