As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT ENGINE BLEED SITTIN G AT 5 PSI IN FLIGHT. CYCLED LEFT BLEED W/NO SUCCESS. DEBRIEFED INBOUND FLIGHT CREW - LEFT ENGINE BLEED AIR ISSUE OCCURED ABOVE 10,000. CYCLED LEFT ENG BLEED AIR - NO HELP. INDICATION WAS THE SAME BOTH IN THE AIR & ON THE GROUND. PHOTO ATTACHED. R&R THE E1 BLEED AIR REGULATOR, IAW 36-11-03. OPS CHK OK. NO FURTHER DEFECTS NOTED AT THIS TIME.