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B737 captain reported using an incorrect fuel cross feed procedure to resolve a slight fuel imbalance; resulting in a larger fuel imbalance upon landing.
| Attributes | |
| ACN | 1684714 |
| Time | |
| Date | 201909 |
| Local Time Of Day | 0601-1200 |
| Place | |
| Locale Reference | SFO.Airport |
| State Reference | CA |
| Environment | |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | B737-700 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Cruise |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Fuel Crossfeed |
| Person 1 | |
| Function | Captain Pilot Not Flying |
| Qualification | Flight Crew Instrument Flight Crew Air Transport Pilot (ATP) Flight Crew Multiengine |
| Experience | Flight Crew Last 90 Days 463 |
| Events | |
| Anomaly | Deviation - Procedural Published Material / Policy Deviation - Procedural Weight And Balance Inflight Event / Encounter Fuel Issue |
Narrative:
During the later part at cruise altitude; I noticed a slight fuel imbalance. I performed the fuel cross feed procedures which corrected the imbalance; reset the fuel pump switches; but apparently did not reset the fuel cross feed valve.the landing into sfo was uneventful and smooth; however; on taxi in we were notified our assigned gate was still occupied. We taxied to a holding area; I shut down the #2 engine for fuel conservation; and waited approximately 15 minutes for the gate to open. When it did; we taxied to the gate and shut down normally. Since the aircraft wasn't scheduled to depart for over an hour; I shut the aircraft down and we left. I was unaware of the mistake until I received a call from the chief pilot notifying me of a 2;500 pound imbalance discovered by maintenance.
Original NASA ASRS Text
Title: B737 Captain reported using an incorrect fuel cross feed procedure to resolve a slight fuel imbalance; resulting in a larger fuel imbalance upon landing.
Narrative: During the later part at cruise altitude; I noticed a slight fuel imbalance. I performed the fuel cross feed procedures which corrected the imbalance; reset the fuel pump switches; but apparently did not reset the fuel cross feed valve.The landing into SFO was uneventful and smooth; however; on taxi in we were notified our assigned gate was still occupied. We taxied to a holding area; I shut down the #2 engine for fuel conservation; and waited approximately 15 minutes for the gate to open. When it did; we taxied to the gate and shut down normally. Since the aircraft wasn't scheduled to depart for over an hour; I shut the aircraft down and we left. I was unaware of the mistake until I received a call from the Chief Pilot notifying me of a 2;500 pound imbalance discovered by Maintenance.
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.