What was found
DURING, PERFORMED MX "A" CHECK ITEM 11,B) FOUND EVIDENCE OF BURNED CARGO FOAM STORAGE TANK SURROUNDING COVER, PROBABLY HEATING COIL WAS SHORTED. DETAILED INSPECTION OF NR 2 GENERATOR FEEDER LINE, CARGO FOAM HEATER CIRCUIT BREAKER (NOT TRIPPED) AND OTHER WIRINGS FOUND NO DEFECTS NOTED, THERE ARE NO FAULTS EXCEPT BURNED AREA. REPLACED CARGO FOAM TANK ASSY IAW AMM 24.0.