What was found
AFTER TAKEOFF, FMGEC POSITION WENT INACCURATE. GPS LOST, NO INDICATION. FLIGHT DIVERTED TO LGW. MAINTENANCE REPLACED THE NR 1 AND NR 3 AIR DATA INERTIAL REFERENCE UNITS. NO FURTHER FAULTS.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AFTER TAKEOFF, FMGEC POSITION WENT INACCURATE. GPS LOST, NO INDICATION. FLIGHT DIVERTED TO LGW. MAINTENANCE REPLACED THE NR 1 AND NR 3 AIR DATA INERTIAL REFERENCE UNITS. NO FURTHER FAULTS.