What was found
FLAP SLAT CONTROL 1 AND PFCS INTERFACE MESSAGES DISPLAYED ON LOWER EICAS DISPLAY. REPLACED FSEU NR 1, MESSAGE CLEARED AND MAT GROUND TEST PASSED OK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLAP SLAT CONTROL 1 AND PFCS INTERFACE MESSAGES DISPLAYED ON LOWER EICAS DISPLAY. REPLACED FSEU NR 1, MESSAGE CLEARED AND MAT GROUND TEST PASSED OK.