What was found
AFTER TAKEOFF, NR 1 INERTIAL REFERENCE UNIT FAILED, WITH ASSOCIATED SYSTEM FAILURES. DIVERTED CVG. REPLACED IRU, OPERATION NORMAL.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AFTER TAKEOFF, NR 1 INERTIAL REFERENCE UNIT FAILED, WITH ASSOCIATED SYSTEM FAILURES. DIVERTED CVG. REPLACED IRU, OPERATION NORMAL.