What was found
DURING CLIMB-OUT, THE EXTRACT VALVE INDICATION REMAINED AMBER AND THE AIRCRAFT WOULD NOT PRESSURIZE. RETURNED TO LGA AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE EXTRACT VALVE (22HQ). OPERATIONAL CHECKED OK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING CLIMB-OUT, THE EXTRACT VALVE INDICATION REMAINED AMBER AND THE AIRCRAFT WOULD NOT PRESSURIZE. RETURNED TO LGA AND LANDED WITHOUT INCIDENT. MAINTENANCE REPLACED THE EXTRACT VALVE (22HQ). OPERATIONAL CHECKED OK.