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A captain reports the first officer (first officer) noticed during his walkaround that the left and right fuel vent scoops had been installed backwards on their B757 aircraft. Rather than venting the tanks; the fuel vent ducts were pressurizing the tanks.
| Attributes | |
| ACN | 1179641 |
| Time | |
| Date | 201406 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | B757 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Parked |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Fuel Tank |
| Person 1 | |
| Function | Pilot Not Flying Captain |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Experience | Flight Crew Last 90 Days 180 Flight Crew Total 21550 Flight Crew Type 4000 |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical Deviation - Procedural Published Material / Policy |
Narrative:
On walkaround; first officer (first officer) noted both fuel vents were installed backwards. That is; rather than venting the tanks; the fuel vent ducts were pressurizing the tanks. The airplane had been flying this way for over two and a half weeks. The fuel vents had been removed in may 2014; and left and right sides were switched at installation.
Original NASA ASRS Text
Title: A Captain reports the First Officer (F/O) noticed during his walkaround that the Left and Right Fuel Vent scoops had been installed backwards on their B757 aircraft. Rather than venting the tanks; the Fuel Vent ducts were pressurizing the tanks.
Narrative: On walkaround; First Officer (F/O) noted both Fuel Vents were installed backwards. That is; rather than venting the tanks; the fuel vent ducts were pressurizing the tanks. The airplane had been flying this way for over two and a half weeks. The Fuel Vents had been removed in May 2014; and left and right sides were switched at installation.
Data retrieved from NASA's ASRS site 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.