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 TEMP EICAS MESSAGES AND PACK INOP LIGHT ILLUMINATED OPERATED NORMAL MASTER STBY SELECTED. TS PER FIM 21 51 00 FIG 103 BIT OF LEFT PACK TEMP CONTROLLER FAULTS L RAM INLET DOOR. DOOR ON BIT AND PREVIOUS FLIGHT VERIFY CHECKS OK SUBSEQUENT BITE HAS NO FAULTS OPERATED PACK FAULT DID NOT RETURN.