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B767-200 flight crew reports being dispatched with an existing placard for the equipment cooling valve. The valve was confirmed closed during preflight and the circuit breaker collared in compliance with MEL procedures. After takeoff the aircraft will not pressurize and the flight returns for an overweight landing. Maintenance confirms that the equipment valve is now open.
| Attributes | |
| ACN | 1044271 |
| Time | |
| Date | 201210 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Aircraft 1 | |
| Make Model Name | B767-200 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Climb |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Pressurization System |
| Person 1 | |
| Function | Pilot Flying First Officer |
| Person 2 | |
| Function | Pilot Not Flying Captain |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical |
Narrative:
While climbing through 2;000 ft; captain noticed that aircraft was not pressurizing. [I] requested to level off at 6;000 ft to work the problem. After determining that aircraft was not going to be able to pressurized; captain declared an emergency for an overweight landing and requested vectors for a return. At this point I took over communications with ATC and flew the airplane while the captain coordinated with dispatch and operations. We were vectored around and executed the ILS. Touchdown was smooth and brakes were not applied until the aircraft slowed to 60 KTS on full reverse. We returned on our own power to the gate where later on maintenance determined the aircraft was out of service. All required entries for the overweight landing and pressurization malfunction were entered in the logbook as required.
Original NASA ASRS Text
Title: B767-200 flight crew reports being dispatched with an existing placard for the equipment cooling valve. The valve was confirmed closed during preflight and the circuit breaker collared in compliance with MEL procedures. After takeoff the aircraft will not pressurize and the flight returns for an overweight landing. Maintenance confirms that the equipment valve is now open.
Narrative: While climbing through 2;000 FT; Captain noticed that aircraft was not pressurizing. [I] requested to level off at 6;000 FT to work the problem. After determining that aircraft was not going to be able to pressurized; Captain declared an emergency for an overweight landing and requested vectors for a return. At this point I took over communications with ATC and flew the airplane while the Captain coordinated with Dispatch and Operations. We were vectored around and executed the ILS. Touchdown was smooth and brakes were not applied until the aircraft slowed to 60 KTS on full reverse. We returned on our own power to the gate where later on Maintenance determined the aircraft was out of service. All required entries for the Overweight Landing and pressurization malfunction were entered in the logbook as required.
Data retrieved from NASA's ASRS site as of July 2013 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.