What was found
INERTIAL REF UNIT P/N HG1075AE03 S/W 685 WAS INSTALLED AFTER FACTORY BENCH CERTIFIED. ON FIRST FLIGHT, IT WAS REPORTED TO HAVE EXCESSIVE DRIFT. IT WAS REPLACED WITH ANOTHER UNIT AND SYSTEM OPERATED NORMALLY. (X)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
INERTIAL REF UNIT P/N HG1075AE03 S/W 685 WAS INSTALLED AFTER FACTORY BENCH CERTIFIED. ON FIRST FLIGHT, IT WAS REPORTED TO HAVE EXCESSIVE DRIFT. IT WAS REPLACED WITH ANOTHER UNIT AND SYSTEM OPERATED NORMALLY. (X)