As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
R PACK TEMP" ICAS MESSAGE AFTER BLOCK OUT. AIRCRAFT BACK TO BLOCK AND GROUNDED BY MAINTENANCE. BITE R PACK CONTROL PANEL CONTROL PANEL, NO FAULT SHOW ON CURRENT OR PREVIOUS FAULTS, RUN R PACK ONE HOUR ALL TEMP ARE NORMAL. OPS CHECKED GOOD IAW B767 MM 21-51-00. AIRCRAFT RETURNED TO SERVICE.