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A B777 departing ord finds, just before pushback, that inoperative fuel pump should have part of fuel load to be designated as structural. Structural fuel was never designated by dispatcher nor load planner.
| Attributes | |
| ACN | 413526 |
| Time | |
| Date | 199809 |
| Day | Tue |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : ord |
| State Reference | IL |
| Altitude | agl bound lower : 0 agl bound upper : 0 |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | B777 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other Other |
| Flight Phase | ground : preflight |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : commercial pilot : atp |
| Experience | flight time last 90 days : 160 flight time total : 19000 flight time type : 1000 |
| ASRS Report | 413526 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 150 flight time total : 10000 flight time type : 150 |
| ASRS Report | 413863 |
| Events | |
| Anomaly | aircraft equipment problem : less severe non adherence : published procedure other anomaly other |
| Independent Detector | other other : unspecified |
| Resolutory Action | none taken : detected after the fact none taken : unable |
| Consequence | Other |
| Supplementary | |
| Air Traffic Incident | other |
Narrative:
We had a center tank pump fail just prior to departure. Maintenance was notified and pump was deferred. Load planning was not notified to consider center tank fuel as structural check fuel. Aircraft zero fuel weight was plenty low enough to accommodate center tank fuel. Supplemental information from acn 413863: we had a message from the previous trip's dispatcher stating that he had neglected to advise our load planning department of the inoperative pump, and that we should have considered all center tank fuel as structural check fuel. We were unaware of this problem until advised by the dispatcher.
Original NASA ASRS Text
Title: A B777 DEPARTING ORD FINDS, JUST BEFORE PUSHBACK, THAT INOP FUEL PUMP SHOULD HAVE PART OF FUEL LOAD TO BE DESIGNATED AS STRUCTURAL. STRUCTURAL FUEL WAS NEVER DESIGNATED BY DISPATCHER NOR LOAD PLANNER.
Narrative: WE HAD A CTR TANK PUMP FAIL JUST PRIOR TO DEP. MAINT WAS NOTIFIED AND PUMP WAS DEFERRED. LOAD PLANNING WAS NOT NOTIFIED TO CONSIDER CTR TANK FUEL AS STRUCTURAL CHK FUEL. ACFT ZERO FUEL WT WAS PLENTY LOW ENOUGH TO ACCOMMODATE CTR TANK FUEL. SUPPLEMENTAL INFO FROM ACN 413863: WE HAD A MESSAGE FROM THE PREVIOUS TRIP'S DISPATCHER STATING THAT HE HAD NEGLECTED TO ADVISE OUR LOAD PLANNING DEPT OF THE INOP PUMP, AND THAT WE SHOULD HAVE CONSIDERED ALL CTR TANK FUEL AS STRUCTURAL CHK FUEL. WE WERE UNAWARE OF THIS PROB UNTIL ADVISED BY THE DISPATCHER.
Data retrieved from NASA's ASRS site as of July 2007 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.