What was found
JFK - AIRCRAFT UNABLE TO PRESSURIZE. EMERGENCY DECLARED, RETURNED JFK WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED AFT OUTFLOW VALVE AND NUMBER 2 CABIN PRESSURE REGULATOR. SYSTEM GROUND CHECK NORMAL OPERATION.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
JFK - AIRCRAFT UNABLE TO PRESSURIZE. EMERGENCY DECLARED, RETURNED JFK WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. REPLACED AFT OUTFLOW VALVE AND NUMBER 2 CABIN PRESSURE REGULATOR. SYSTEM GROUND CHECK NORMAL OPERATION.