What was found
PAX OXYGEN POWER CHANNEL 1 RPDU CIRCUIT BREAKER FOR A PSU ZONE IS OPEN IN ANY OF THE 9 PSU ZONES. CIRCUITS ARE NORMALLY UNPOWERED SO OPEN CIRCUIT BREAKERS ARE USUALLY CAUSED BY MAINTENANCE OR TEST ACTIONS. FIM TASK REF : 31-90-F8-01A-421B-A CMC MSG# 3510029 FLIGHT STATUS: A INTERMITTENCE CODE: H PH: CRUISE NARRATIVE: 31 DCA OPS (RIGHT 2) UPLOADED PICTURES. UPLOAD PICTURES OF RPDU 42. FOUND MT-MSG:24-37817 AS RPDU 82 GATEWAY FAIL AFTER TRY TO INSTALL SOFT WARE TO RPDU 42 STANDARD MICRO PROSESSOR. FOLLOWED FIM TASK DMC-B787-A-24-70-F2-DLA-421A-A, REPLACED RPDU M1 GATEWAY CARD PER AMM DMC-B787-A-24-71-05-00A-720A-A, SOFTWARE INSTALLED PER AMM DMC-B787-A-24-71-10-06A-750A-A, SOFTWARE CONFIGURATION CHECK OK.