What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-23) On 12-24-99, midwest express flight 80, a MD-80, N809ME returned to mci due to a pressurization problem. The aircraft landed safely. Midwest express maintenance found a loose and leaking clamp at the right hand water separator temp control valve forward duct. The left hand pack had been deferred due to a temp control problem. Between the leaking duct and the deferred pack the aircraft could not maintain enough air flow to pressurize the aircraft. The clamp was tightened and the aircraft was dispatched without further incident. This incident, CE2000IAC013, is considered closed with the filing of this report. Ref ptrs: CE2000B0236.
As the FAA filed it
(-23) ON 12-24-99, MIDWEST EXPRESS FLIGHT 80, A MD-80, N809ME RETURNED TO MCI DUE TO A PRESSURIZATION PROBLEM. THE AIRCRAFT LANDED SAFELY. MIDWEST EXPRESS MAINTENANCE FOUND A LOOSE AND LEAKING CLAMP AT THE RIGHT HAND WATER SEPARATOR TEMP CONTROL VALVE FORWARD DUCT. THE LEFT HAND PACK HAD BEEN DEFERRED DUE TO A TEMP CONTROL PROBLEM. BETWEEN THE LEAKING DUCT AND THE DEFERRED PACK THE AIRCRAFT COULD NOT MAINTAIN ENOUGH AIR FLOW TO PRESSURIZE THE AIRCRAFT. THE CLAMP WAS TIGHTENED AND THE AIRCRAFT WAS DISPATCHED WITHOUT FURTHER INCIDENT. THIS INCIDENT, CE2000IAC013, IS CONSIDERED CLOSED WITH THE FILING OF THIS REPORT. REF PTRS: CE2000B0236.