What was found
WITH ONLY THE R GPS EICAS MESSAGE DISPLAYED, IT APPEARS BOTH LT AND RT GPS ARE INOPERATIVE. IAW THE POS REF PAGE ON THE CDU. REPLACED THE LEFT GPS ANTENNA IAW AMM 34-58-02. OPS CHECKED OK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
WITH ONLY THE R GPS EICAS MESSAGE DISPLAYED, IT APPEARS BOTH LT AND RT GPS ARE INOPERATIVE. IAW THE POS REF PAGE ON THE CDU. REPLACED THE LEFT GPS ANTENNA IAW AMM 34-58-02. OPS CHECKED OK.