What was found
PDIS 584 26-10 1474 09APR21 MEM OPEN U LOGPAGES:385225 DURING CLIMBOUT FROM PANC 12 MINUTES INTO FLIGHT RECEIVED LEVEL 3 AUDIBLE ENGINE 3 FIRE WARNING. THREE WARNINGS TWO CONSECUTIVE TIMES. NO VISUAL INDICATIONS. ALL ENGINE 3 INDICATIONS NORMAL AND WITHIN LIMITS. REPLACED #3 ENG LEFT CORE FIRE WIRE HARNESS AND PERFORMED BITE TEST REF MD11MM 71_50_04_2_1, RTS PASSED. OK TO CONTINUE. REMOVAL/INSTALLATION OFF MPN: 224W9926-501 CPN: 7111609 POS: 3 ON MPN: 224W9926-501 CPN: 7111609 SRL: 85G244 TAG NBR: 0433G6