What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-23)On June, 21, 2000, vanguard airlines, flight 303, aircraft 912MP was scheduled to enroute from mci to den. On initial climb out, cabin pressure, auto fail, illuminated. The crew switched to standby and received a 1,000 feet per minute climb in the cabin no matter where the rate knob was positioned. While climbing through 12,000 feet the cabin went from plus 1000 feet to negative 4000 feet. The pilot switched to manual and the cabin pressurized normally. No emergency or equipment requested and the pilot returned the aircraft to mci's gate, with no further incident. Vanguard maintenance performed trouble shooting procedures and replaced the cabin out flow valve along with the cabin pressure controller as precautionary, per MM21-31-0. This descrepancy is a repeat from June 19, 2000, at dfw. Vanguard airlines performed an evaluation flight to operationally check the pressurization control system, on a special flight permit. The pressurization evaluation flight checked good. Incident number CE052000IAC061, is considered closed.
As the FAA filed it
(-23)ON JUNE, 21, 2000, VANGUARD AIRLINES, FLIGHT 303, AIRCRAFT 912MP WAS SCHEDULED TO ENROUTE FROM MCI TO DEN. ON INITIAL CLIMB OUT, CABIN PRESSURE, AUTO FAIL, ILLUMINATED. THE CREW SWITCHED TO STANDBY AND RECEIVED A 1,000 FEET PER MINUTE CLIMB IN THE CABIN NO MATTER WHERE THE RATE KNOB WAS POSITIONED. WHILE CLIMBING THROUGH 12,000 FEET THE CABIN WENT FROM PLUS 1000 FEET TO NEGATIVE 4000 FEET. THE PILOT SWITCHED TO MANUAL AND THE CABIN PRESSURIZED NORMALLY. NO EMERGENCY OR EQUIPMENT REQUESTED AND THE PILOT RETURNED THE AIRCRAFT TO MCI'S GATE, WITH NO FURTHER INCIDENT. VANGUARD MAINTENANCE PERFORMED TROUBLE SHOOTING PROCEDURES AND REPLACED THE CABIN OUT FLOW VALVE ALONG WITH THE CABIN PRESSURE CONTROLLER AS PRECAUTIONARY, PER MM21-31-0. THIS DESCREPANCY IS A REPEAT FROM JUNE 19, 2000, AT DFW. VANGUARD AIRLINES PERFORMED AN EVALUATION FLIGHT TO OPERATIONALLY CHECK THE PRESSURIZATION CONTROL SYSTEM, ON A SPECIAL FLIGHT PERMIT. THE PRESSURIZATION EVALUATION FLIGHT CHECKED GOOD. INCIDENT NUMBER CE052000IAC061, IS CONSIDERED CLOSED.
Other reports on N912MP · 3
Matched to the same aircraft by N-number and date.