As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING TAKEOFF ROLL THE NR 1 ENGINE MANUAL LIGHT ILLUMINATED. ACFT WAS RETURNED TO THE FIELD. MX CYCLED THE BETA LOGIC CIRCUIT BREAKER AND GROUND RAN THE ACFT. NO DEFECTS WERE NOTED AT THAT TIME. THE ENGINE CONDITION PANEL WAS ALSO CHECKED AND NO FLAGS WERE NOTED AT THAT TIME. ACFT THEN CONTINUED IN SERVICE.