What was found
ETOPS SIGNIFICANT SYSTEM, UPON ARRIVAL FOUND EICAS MESSAGE 'APU FIRE LP-1'. TROUBLESHOT PER FIM 26-15-00 FIG 103 AND 104, FOUND LOOP 1B CONNECTOR CONTAMINATED. CLEANED CONNECTOR AND PERFORMED FIRE LOOP TEST, APU FIRE LOOPS TEST OK AND MESSAGE CLEARED. OK FOR SERVICE.