As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLAPS FAIL AMBER EICAS MESSAGE CAME ON WHEN FLAPS SELECTED UP AFTER TAKE OFF. FLAPS VISUALLY APPEARED UP. CHECKLIST ITEMS COMPLETED. NO CHANGE. PERFORMED A STUCK FLAP LANDING. UNABLE TO REACH ERROR CODES IN AFT AVIONICS BAY. R & R POWER DRIVE UNIT WITH O/H UNIT IAW MM 27-52-00. OPS CHECK WAS GOOD.