As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SJT - FLT 3520 - AFTER DEPARTURE, LEFT ENGINE BLEED AUTO CLOSED FOLLOWED BY LEFT DUCT OVERTEMP. RAN CHECKLIST, TURNED ON LEFT LOW PRESSURE BLEED AND IT OVER TEMPED WITHIN 15 SECONDS. PERFORMED OPS TEST TEMP CONTROL SYSTEM IAW SAAB 340 AMM 21-60-00. OPS CHECK GOOD, COULD NOT DUPLICATE DISCREPANCY. AIRCRAFT RETURNED TO SERVICE. (M)