As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EICAS "LE SLAT ASSY" AND ASSOCIATED LIGHT ILLUMINATED WITH INDICATED 1 DEGREE FOR BOTH LEFT AND RIGHT. TROUBLESHOT SYSTEM PER FAULT ISOLATION MANUAL. FOUND A5 DRIVER CARD IN THE NR 10 POSITION IN THE PROXIMITY SWITCH ELECTRONIC UNIT FAULTED. REPLACED CARD SYSTEM OP CHECKS OK.