What was found
PILOT REPORTED FREON AIR CONDITIONING SYSTEM CIRCUIT BREAKER TRIPPED WHEN SYSTEM TURNED ON. FOUND AFT EVAPORATOR BLOWER INOPERATIVE IN LOW POSITION, EXCESSIVELY NOISY IN HIGH POSITION. REMOVED FLOORBOARD FOR INVESTIGATION, FOUND BLOWER MOTOR RESISTOR ASSY. BURNED AND ADJACENT PLASTIC BLOWER MOTOR HOUSING MELTED. FREON AIR CONDITIONING SYSTEM INSTALLED UNDER STC SA2698SW, 809.7 HOURS PREVIOUSLY, NO RECORD OF COMPONENT REPLACEMENTS SINCE INSTALLED. REPLACED BLOWER ASSY AND RESISTOR, OPS CHECKS SATISFACTORY. (K)