As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS SIGNIFICANT SYSTEM, L PACK INOP LIGHT ILLUM. EICAS MESSAGE L PACK TEMP DISPLAYED. OPERATED NORM AFTER STBY SELECTED. TRIED AGAIN OK NO LIGHTS. INFO NOTED. CYCLED L PACK OPS CK NORMAL, NO FAULTS NOTED. REF AMM 21-00-00. OK FOR SERVICE.