As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON TAKEOFF FROM DTW, UNABLE TO RETRACT GEAR, HAD TO USE OVERRIDE SWITCH. UPON GEAR RETRACTION BOTH FLIGHT DIRECTORS AND THE AUTOTHROTTLE DISENGAGED. CREW WERE ABLE TO GET BACK THE FLIGHT DIRECTOR, BUT NOT THE AUTOTHROTTLE. MX DID A SYSTEM FAULT CHECK ON THE FGC-RT MLG NR 2 PROX SWITCH SHOWS FAULT. REPLACED PROX SWITCH, ALL CHECKS GOOD AT THIS TIME.