As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT NR: ABX3116, AFTER TAKE OFF, FIRE LIGHT ILLUMINATED ON R CAPTS INST PANEL. EMERGENCY DECLARED AND AIR TURN BACK (ATB) TO AFW. REMOVED AND REPLACED FIRE / OVERHEAT CIRCUIT CARD M10274 IAW B767 AMM 26-10-01. NO DEFECTS NOTED. TESTED THE CARGO SMOKE DETECTION LOOPS IAW B767 AMM 26-19-00. OPS CHECKED GOOD. NO ETOPS. A/C RETURNED TO SERVICE.