As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS SIGNIFICANT SYS - FOUND ON OVERNIGHT CK RT PIMU MSG ON EICAS MAINT LEVEL MSG. RT PIMU FAULTS CHANNEL A AND B T5 CROSS CK FAIL. T/S IAW FIM PIMU MESSAGE INDEX FOR PIMU MESSAGE 353-19. RETORQUED CONNECTIONS AT EGT TT4.95 THERMOCOUPLE BOX. PERFORMED REPAIR CONFIRMATION FAULT DID NOT RETURN. NR2 ENG OK FOR SVC.