What was found
FUSELAGE SKIN REPLACEMENT AND STRINGER REPAIRS BEHIND CABIN HEATER EXHAUST. TO REPLACE A CORRODED FUSELAGE SKIN FROM F/STA 596 TO 662; REPAIR CORRODED STRINGER #31L BETWEEN F/STA 629 AND 658, AND STRINGER 32L BETWEEN F/STA 629 AND 651. REMOVE AND REPLACE CORRODED SKIN FROM F/STA 596 TO 662, AND BETWEEN STRINGERS 30 LEFT AND 30 RIGHT.