What was found
CLT - FLT 263 - UNABLE TO PRESSURIZE AIRCRAFT. FLIGHT RETURNED TO CLT WHERE LANDING WAS WITHOUT FURTHER INCIDENT. MAINTENANCE FOUND CANNON PLUG LOOSE ON THE OUTFLOW VALVE. CLEANED AND SECURED CANNON PLUG. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CLT - FLT 263 - UNABLE TO PRESSURIZE AIRCRAFT. FLIGHT RETURNED TO CLT WHERE LANDING WAS WITHOUT FURTHER INCIDENT. MAINTENANCE FOUND CANNON PLUG LOOSE ON THE OUTFLOW VALVE. CLEANED AND SECURED CANNON PLUG. (M)