CONCORD, AR, USA
N699T
BEECH V35B
THE PILOT/OWNER SAID THAT WHILE CLIMBING THROUGH 9000 FT MSL FOR 10,000 FT MSL, ON AN IFR FLIGHT PLAN, HE SMELLED AN ELECTRICAL ODOR. THE CABIN BEGAN TO FILL WITH DENSE SMOKE, SO HE SHUT OFF ALL ELECTRICAL SWITCHES. AN EMERGENCY DESCENT WAS MADE. DURING THE DESCENT, THE SMOKE WAS SUBSTANTIALLY CLEARED FROM THE CABIN. THE LANDING GEAR WAS EXTENDED BY USING EMERGENCY PROCEDURES. WHILE LANDING ON ROLLING TERRAIN, THE GEAR COLLAPSED & THE ACFT WAS DAMAGED. THERE WAS NO CONTINUATION OF FIRE ON THE GROUND. A POST-ACDNT INVESTIGATION REVEALED THE OWNER HAD IMPROPERLY INSTALLED AN ALTERNATOR WIRING HARNESS, WHICH RUBBED ON THE NOISE SUPPRESSOR. AFTER IT RUBBED THRU THE INSULATION, AN ELECTRICAL FIRE ERUPTED.
IMPROPER INSTALLATION OF THE ALTERNATOR WIRING HARNESS BY THE PILOT/OWNER WHICH RESULTED IN CHAFED WIRING AND A SUBSEQUENT ELECTRICAL FIRE. THE UNEVEN TERRAIN WAS A CONTRIBUTING FACTOR.
Source: NTSB Aviation Accident Database
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