As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: SELECTED FLAP POSITION 1 AT 210KTS. LE SLAT DISAGREE EICAS MESSAGE ILLUMINATED. FLAP INDICATOR REMAINED IN THE UP POSITION. PERFORMED APPORIATED CHECKS AND LANDED. EMERGENCY DECLARED. REMOVED AND REPLACED FCU NO.2 AND PERFORMED OPS CHECK OF FLAPS. ***SUPPLEMENTAL ACTION: SECT 5***(CLOSED)