What was found
L ENG BLEED WON'T CLOSE AFTER ENG START. REPLACED PRSOV REGULATOR, L ENG BLEED OFF LIGHT ILLUMINATED WITH PRSOV IN CLOSED POSITION.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
L ENG BLEED WON'T CLOSE AFTER ENG START. REPLACED PRSOV REGULATOR, L ENG BLEED OFF LIGHT ILLUMINATED WITH PRSOV IN CLOSED POSITION.