As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS SIGNIFICANT SYS - EICAS ALT DISAGREE AND IAS DISAGREE LIGHTS CAME ON DURING CLIMBOUT AT CRUZ ALT F/O ALT READS 400 FT LWR THAN CAPT'S AND F/O IAS IS 5 KNTS SLOWER THAN CAPT T/S IAW FIM 34-11-00 FIG 104. PERFORMED BITE PROCEEDURES NO MSGS. CHECKED F/O, CAPT ALT/AIRSPD IAW AMM 34-1100-735 ALL WITHIN AMM LIMITS. REPLACED F/O'S AOA SENSOR IAW 34-12-03 ALL TESTS OK.