As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED DUE TO: RIGHT IRS FAULT IN FLIGHT FIRST OFFICER PFD AND ALSO WENT BLANK, CONTINUED ERRONEOUS INDICATIONS OF BOTH WINDS AND LOCATIONS WHEN SHARING BOTH ON IRS 1. ERRONEOUS GPS LOCATION. AIRCRAFT AIR INTERRUPTED BACK TO AND LANDED SAFELY AT DFW. REMOVE AND REPLACED RIGHT (ADIRU)-AIR DATA INERTIA REFERENCES UNIT, PER AMM 34-21-01. OPERATIONAL CHECK GOOD. NO OTHER ABNORMALITY SHOWING AT THIS TIME.