As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS SIGNIFICANT SYSTEM - LEFT PACK SHUT DOWN IN FLIGHT FOLLOWED BY A L PAC TEMP EICAS SELECTED STANDBY - N WAITED 5 MINUTES THEN RESET PAC. PAC OPERATED NORMAL IN STBY- N. PERFORMED BITE OF L PACK CONTROLLER PER FIM 21 51 00/101, NO FAULTS ON CONTROLLER OPS CHECKS NORMAL ON GROUND IN AUTO MODE PER B767 AMM 21 51 00 705 AND 21 51 00 705-058.