As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER ENGINE STARTS GOT EICAS "FWD EQP OVHT" EICAS AND DISCRETE LIGHT COMPLIED WITH QRH AND 31/2 MINUTES GOT OVHT AGAIN> NOTE NO ABNORMAL PNUEMATIC PACK IND. AIRCRAFT BACK TO BLOCK AND GROUNDED BY MAINTENANCE.MAINTENANCE R+R EQUIPMENT COOLING LOW FLOW DETECTOR IAW B767 AMM 21-58-12. OPS CHECK GOOD AT THIS TIME. AIRCRAFT RETURNED TO SERVICE.