As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
BLEED 1 VALVE CLOSED MSG DISPLAYED IN FLT FOLLOWED BY PACK 1 VALVE CLOSED. REPLACED HOSE FROM HEPE FILTER TO #1 PACK, ALSO SLEEVE ON #1 PACK DUAL TEMP VALVE. GROUND RAN A/C PERFORMED AIR BLEED SYSTEM OPS CHECK. NO MESSAGE ON EICAS IAW AMM TSK 36-00-00-700-803-A. OK FOR SERVICE.