As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THE AIRCRAFT WAS GROUNDED. TRAILING EDGE FLAP ASYMMETRY WHEN SELECTING FLAPS 5 ON DOWNWIND, THE FLIGHT DECLARED AN EMERGENCY AND PERFORMED QRH PROCEDURES. THE FLIGHT LANDED WITHOUT FURTHER INCIDENT. NO HEAVY BRAKING, NORMAL TOUCHDOWN. VERIFIED NO MESSAGE ON EICAS, ACCOMP OPS CHECK OF THE TEAM FLAP SYS IAW MM 27-51-00. OPS CKS GOOD.