As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS SIGNIFICANT SYS - F/O ALTIMETER SHOWED FLAG IN CRUISE FLT AT FL 360 SELECTED ALT AIR DATA FLAG WENT AWAY- RESELECTED NORMAL ON F/O AIR DATA SWITCH - NO FLAGS - F/O ALTIMETER OPS NORMAL FOR REST OF FLT. CLEANED CONNECTOR PLUG ON F/O ALTIMETER - REMOVED AND REINSTALLED F/O'S ALTIMETER IAW AMM 34-13-01 AND PERFORMED ALTIMETER TEST 34-13-01-864-020 ALL CHECKED GOOD -OK TO CONTINUE SERVICE.