As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT#1109, BOS-NAS. (AIRCRAFT DIVERTED TO JFK) ' IESS DISPLAYS "OUT OF ORDER"; REMOVED AND REPLACED IES DISPLAY DUE TO INTERMIT "OUT OF ORDER" MSG PER AMM 34-11-01. OPS TEST PER 34-11-00-710-801. NO FURTHER DEFECTS WERE NOTED. A/C OK FOR SERVICE.'