As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTS ON INITIAL FLAP RETRACTION, FLAP STUCK BETWEEN 1 DEG AND UP. L/E SLAT ASSY EICAS MSG DISPLAYED. REMOVED & REPLACED L/E SLAT SENSORS S285 & S298 IAW MM 27-88-01. PSEU BITE TEST GOOD IAW MM 27-88-01. PERFORMED GVI OF ROTARY ACTUATORS & BOTH PDU'S. NO VISUAL DEFECTS NOTED.