As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLT NR 6595 - IAD-LGA - DURING CLIMB-OUT, RETURNED IAD, AIR DATA COMPUTER INDICATIONS BEING INTERMITTENT. AIRCRAFT LANDED AT IAD WITH NO FURTHER INCIDENT. MAINTENANCE REPLACED BOTH AIR DATA COMPUTERS. AIRCRAFT RELEASED AND APPROVED FOR RETURN TO SERVICE. (M)