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An air carrier flight crew flying a B737 from mco notices a mathematical discrepancy in their actual aircraft weight and that stated on the load manifest.
| Attributes | |
| ACN | 457300 |
| Time | |
| Date | 199912 |
| Day | Fri |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | airport : mco.airport |
| State Reference | FL |
| Altitude | agl single value : 0 |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | B737-300 |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | other |
| Flight Phase | ground : parked |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp pilot : multi engine |
| Experience | flight time last 90 days : 240 flight time total : 5600 flight time type : 240 |
| ASRS Report | 457300 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : multi engine pilot : atp |
| Experience | flight time last 90 days : 270 flight time total : 10100 flight time type : 6000 |
| ASRS Report | 457307 |
| Events | |
| Anomaly | non adherence : company policies other anomaly other |
| Independent Detector | other flight crewa other flight crewb other other : load planner |
| Resolutory Action | other |
| Supplementary | |
| Problem Areas | Company |
| Primary Problem | Company |
Narrative:
Upon taxiing out to the runway, crew noticed arithmetic error on load sheet resulting in a 10000 pound difference in weight. Performance data was computed for revised weight prior to takeoff. On climb out, mco operations called to inform us of the error. Having been unable to successful reach us, the math error was caught and corrected prior to takeoff.
Original NASA ASRS Text
Title: AN ACR FLC FLYING A B737 FROM MCO NOTICES A MATHEMATICAL DISCREPANCY IN THEIR ACTUAL ACFT WT AND THAT STATED ON THE LOAD MANIFEST.
Narrative: UPON TAXIING OUT TO THE RWY, CREW NOTICED ARITHMETIC ERROR ON LOAD SHEET RESULTING IN A 10000 LB DIFFERENCE IN WT. PERFORMANCE DATA WAS COMPUTED FOR REVISED WT PRIOR TO TKOF. ON CLBOUT, MCO OPS CALLED TO INFORM US OF THE ERROR. HAVING BEEN UNABLE TO SUCCESSFUL REACH US, THE MATH ERROR WAS CAUGHT AND CORRECTED PRIOR TO TKOF.
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.