What was found
CREW REPORT: FLAP-SLAT ELEC LWR EICAS MESSAGE APPEARS AT FLAP POS 5 THEN DISAPPEARS WHEN FLAPS > 20. REPLACED FLAP-SLAT ELECTRONICS UNIT. OPERATION OF FLAP SLAT SYSTEM NORMAL. NO FAULTS OR EICAS MESSAGES DISPLAYED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CREW REPORT: FLAP-SLAT ELEC LWR EICAS MESSAGE APPEARS AT FLAP POS 5 THEN DISAPPEARS WHEN FLAPS > 20. REPLACED FLAP-SLAT ELECTRONICS UNIT. OPERATION OF FLAP SLAT SYSTEM NORMAL. NO FAULTS OR EICAS MESSAGES DISPLAYED.