What was found
APU ELEBC KICKED OFF FOLLOWED BY STRONG ODOR OF BURN OF RUBBED THROUGHOUT ENTIRE ACFT PERFOMED APU BITE CHECK FOUND ONLY ONE FAULT 49-31171. FUEL CONTROL UNIT DISAGREES WITH COMMAND. INSPECTED APU AND APU COMPARTMENT IAW TASK 49-11-00-860-801 NO ISSUES NOTED, ALSO PERFORMED TASK 36-00-00-860-803 ON PACK SYSTEM NO ISSUES NOTED , OPENED PACK SYSTEM COMPARTMENT NO DEFECTS NOTED, APU RUN WITH ELEC SYS ON AND AIR WITH PACK OPS CHKS NORMAL, NO RUBBER ODOR NOTICED REFERANCE OPS TEST, NO RUBBER ODOR NOTED, ACFT OK FOR SERVICE