As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CRUISE, THE RIGHT WING BODY OVERHEAT LIGHT ILLUMINATED. QRH PROCEDURE FOLLOWED AND LIGHT REMAINED ILLUMINATED. EMERGENCY DECLARED, LANDING UNEVENTFUL, AND AIRCRAFT GROUNDED. MAINTENANCE FOUND A LEAK IN THE RIGHT PACK AIR BOX. REMOVED AND REPLACED PRIMARY AND SECONDARY HEAT EXCHANGERS IAW AMM 21-51-03. OPS CHECKED NORMAL.