As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SELECTED FLAPS 1 AT 5500 FEET AND ABOUT 200 KNOTS. RECEIVED LE SLAT DISAGREE EICAS MESSAGE. COMPLIED WITH QRH. MESSAGE REMAINED. QRH DIRECTED US TO RUN LE SLAT ASYMMETRY QRH. COMPLIED WITH QRH. DECLARED EMERGENCY AND LANDED WITH TE FLAPS AT 20 WITH NO FURTHER ISSUES. REPLACED #7 LE SLAT ROTARY ACTUATOR. ORIG SUB DATE: 11/20/2022