As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF THE LT DUCT OVERTEMP ILLUMINATED AND LT BLEED CLOSED, RESET BLEED AND OVERTEMP OCCURRED AGAIN. UNABLE TO CONTROL TEMP IN MANUAL OR AUTO. REPLACED LT DUAL TEMP CONTROL VALVE IAW AMM 21-61-05-02 OPS CHECK GOOD. PN 776902-2 SN ON 860514, OFF 921111.