As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEVEL AT FL370, IN CRUISE LT BLEED TRIP OFF LIGHT ILLUMINATED. FOLLOWED QRH, PRESSED TRIP RESET BUTTON. LIGHT EXTINGUISHED FOR ABOUT 20 SECONDS AND RE ILLUMINATED. SELECTED LT PACK OFF AND DUCT PRESSURES RETURNED TO NORMAL. CHANGED NR 1 ENGINE 450 DEGREE THERMOSTAT AND THE 390 DEGREE PRE COOLER VALVE SENSOR PRECAUTIONARY. NO SYSTEM DEFECTS AT HIGH POWER ENGINE RUN.