As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) NR 1 ENGINE ECU MANUAL CAUTION ILLUMINATED AT 50FT AGL, TORQUE SPLIT IN CRUISE NOT WITHIN MEL CRITERIA, SOC ELECTED TO RETURN AC TO DEPARTURE AIRPORT. MAINTENANCE REPLACED 6121-S11 MICRO-SWITCH, C/O TEST IAW AMM 76-10-16. BETA BACKUP SWITCH 1&2 BACK TO NORMAL POSITION. ENGINE RUN C/O IAW AMM 76-10-16. CHECK SERVICEABLE.