What was found
LEFT ENGINE BLD OFF LIGHT ON WHEN LEFT ENG HEAT SWITCHED TO ON POSITION. REPLACED PRSOV PER MM AND AIR SUPPLY OVERTEMP SWITCH.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
LEFT ENGINE BLD OFF LIGHT ON WHEN LEFT ENG HEAT SWITCHED TO ON POSITION. REPLACED PRSOV PER MM AND AIR SUPPLY OVERTEMP SWITCH.