As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INFLIGHT THE NR1 PFD WENT BLANK, ALONG WITH A CHECK PFD 1 ANNUNCIATOR. BOTH SEEMED TO RESET TO NORMAL WITHIN 5 SECONDS. WE HAVE NOTICED THE LAST SEVERAL DAYS THAT THE NRS ON PFD 1 HAVE BEEN A LITTLE BLURRY. R & R NR 1 PFD WITH REPAIRED UNIT FROM STOCK AND OPS CHECKED IAW MM34-23-02. CHECKS GOOD.