As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CLIMBING THROUGH FLIGHT LEVEL 200 LOWER AFT BODY OVERHEAT LIGHT ILLUMINATED. AS PER RED TABS WE ISOLATED PROBLEM TO THE NR 1 BLEED VALVE AND OPERATED THE RIGHT PACK ONLY. OVERHEAT LIGHT EXTINGUISHED WITH THE REDUCTION OF THE NR 1 THROTTLE TO IDLE. ALSO SYSTEM TESTED NORMAL. ENGINE RUN CARRIED OUT. BOTH PACKS OPERATED AND COULD NOT DUPLICATE OVERHEAT AREA INSPECTED. NO LEAKS FOUND. LOOPS INSPECTED, NO DAMAGE FOUND.