What was found
FLIGHT 5246 - DURING CLIMBOUT FROM JFK RECEIVED CABIN ALT MESSAGE AT 8000 FT, COULD NOT CONTROL IN AUTO OR MANUAL. EMERGENCY DECLARED AND A/C RETURNED BACK TO JFK AND LANDED SAFELY. REMOVED AND REPLACED OVERBOARD EXHAUST VALVE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLIGHT 5246 - DURING CLIMBOUT FROM JFK RECEIVED CABIN ALT MESSAGE AT 8000 FT, COULD NOT CONTROL IN AUTO OR MANUAL. EMERGENCY DECLARED AND A/C RETURNED BACK TO JFK AND LANDED SAFELY. REMOVED AND REPLACED OVERBOARD EXHAUST VALVE.