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Air carrier first officer reported a fuel imbalance in flight required the fuel crossfeed valve to be cycled twice before balancing took place. First officer noted that aircraft had been in storage for several months.
| Attributes | |
| ACN | 1749194 |
| Time | |
| Date | 202007 |
| Aircraft 1 | |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Cruise |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Fuel Crossfeed |
| Person 1 | |
| Function | First Officer Pilot Flying |
| Qualification | Flight Crew Multiengine Flight Crew Air Transport Pilot (ATP) Flight Crew Instrument |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe Inflight Event / Encounter Fuel Issue |
Narrative:
Fuel imbalance alert during cruise flight. The #1 main fuel tank was low and the imbalance was approximately 1;450 lbs. Executed the QRH procedure as a crew to correct the imbalance. The fuel cross feed valve had to be cycled twice before the balancing took place.initially; the fuel crossfeed valve did not appear to be working properly due to having to cycle the switch two times for it to activate. The aircraft had been in storage since april. This was the first passenger revenue flight since april. Recommend testing of crossfeed valves by maintenance prior to returning aircraft stored long term to service.
Original NASA ASRS Text
Title: Air carrier First Officer reported a fuel imbalance in flight required the fuel crossfeed valve to be cycled twice before balancing took place. FO noted that aircraft had been in storage for several months.
Narrative: Fuel imbalance alert during cruise flight. The #1 main fuel tank was low and the imbalance was approximately 1;450 lbs. Executed the QRH procedure as a crew to correct the imbalance. The fuel cross feed valve had to be cycled twice before the balancing took place.Initially; the fuel crossfeed valve did not appear to be working properly due to having to cycle the switch two times for it to activate. The aircraft had been in storage since April. This was the first passenger revenue flight since April. Recommend testing of crossfeed valves by maintenance prior to returning aircraft stored long term to service.
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.