As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIR TURNBACK/DECLARED EMERGENCY. TAKEOFF WARNING HORN SOUNDED AT ROTATION. T/E FLAP INDICATED SPLIT R- 5 DEGREES, L- 2 1/2 DEGREES. FLAPS WOULD NOT RESPOND TO FLAP HANDLE MOVEMENT IN FLIGHT. FOUND PSEU FAULT, C/W FIM TASK AND RESET AURAL WARNING CIRCUIT BREAKER PER MM.