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An A300 aft outflow valve failed in the nearly open position preventing pressurization after takeoff. An emergency was declared followed by a return to their departure airport.
| Attributes | |
| ACN | 839310 |
| Time | |
| Date | 200906 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | A300 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Initial Climb |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Pressurization Outflow Valve |
| Person 1 | |
| Function | Pilot Flying Captain |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical |
Narrative:
After takeoff; climbing to 5000 ft got an ECAM pressure advisory message. Check pressurization aircraft was not pressurizing. Forward outflow valve was closed aft outflow valve was 3/4 open. No fault message. Went to manual close no response. Pressurization was still rapidly climbing. Requested to remain at 5000 ft and return to departure airport. Declared an emergency for overweight landing. Landed normal 100 FPM at touchdown. Landing weight 342;000 pounds.
Original NASA ASRS Text
Title: An A300 aft outflow valve failed in the nearly open position preventing pressurization after takeoff. An emergency was declared followed by a return to their departure airport.
Narrative: After takeoff; climbing to 5000 FT got an ECAM pressure advisory message. Check pressurization aircraft was not pressurizing. Forward outflow valve was closed aft outflow valve was 3/4 open. No fault message. Went to manual close no response. Pressurization was still rapidly climbing. Requested to remain at 5000 FT and return to departure airport. Declared an emergency for overweight landing. Landed normal 100 FPM at touchdown. Landing weight 342;000 LBS.
Data retrieved from NASA's ASRS site as of April 2012 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.