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B757 flight crew reported diverting to a nearby alternate after confirming a fuel leak from the left engine.
| Attributes | |
| ACN | 1497168 |
| Time | |
| Date | 201711 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Flight Conditions | VMC |
| Aircraft 1 | |
| Make Model Name | B757 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Cruise |
| Flight Plan | IFR |
| Person 1 | |
| Function | Captain Pilot Not Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Experience | Flight Crew Type 909 |
| Person 2 | |
| Function | Pilot Flying First Officer |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Experience | Flight Crew Total 14056 Flight Crew Type 10861 |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical Inflight Event / Encounter Fuel Issue |
Narrative:
Approximately 1.5 hours into the flight; crew was alerted by CDU message 'fuel disagree - prog 2' and observed 3;600 lb difference between total and calculated fuel quantity. Fuel leak was suspected and QRH checklist referenced. Center tank fuel had just been exhausted. Slowly increasing fuel imbalance between left and right main tank and visual inspection of left engine confirmed fuel leak. Decision was made to divert to [a nearby alternate]. ATC [was advised] and diversion requirements communicated. Diversion coordinated with dispatch and cabin crew; passengers advised. Landing performance data obtained for overweight landing and appropriate checklists referenced. Uneventful landing.
Original NASA ASRS Text
Title: B757 flight crew reported diverting to a nearby alternate after confirming a fuel leak from the left engine.
Narrative: Approximately 1.5 hours into the flight; crew was alerted by CDU message 'FUEL DISAGREE - PROG 2' and observed 3;600 lb difference between Total and Calculated fuel quantity. Fuel leak was suspected and QRH checklist referenced. Center tank fuel had just been exhausted. Slowly increasing fuel imbalance between left and right main tank and visual inspection of left engine confirmed fuel leak. Decision was made to divert to [a nearby alternate]. ATC [was advised] and diversion requirements communicated. Diversion coordinated with Dispatch and cabin crew; passengers advised. Landing performance data obtained for overweight landing and appropriate checklists referenced. Uneventful landing.
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.