As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SFO - FLT 56 - AFTER TAKEOFF FROM SFO, CREW RECEIVED OVETEMP LIGHT ON LEFT ENGINE. LIGHT EXTINGUISHED WHEN THROTTLE RETARDED. FLIGHT RETURNED TO SFO AND LANDED WITH NO FURTHER INCIDENTS. MX REPLACED THE HP2 AND P6 DUCTS DUE TO LEAKAGE. REFERENCE USAABB96015.