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A B777 maintenance technician reported the incorrect electrical load management system software was found installed on board the aircraft.
| Attributes | |
| ACN | 1382151 |
| Time | |
| Date | 201608 |
| Aircraft 1 | |
| Make Model Name | B777-200 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Parked |
| Component | |
| Aircraft Component | AC Generation Indicating and Warning System |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe Deviation - Procedural Maintenance Deviation - Procedural Published Material / Policy |
Narrative:
The wrong electrical load management system operation program configuration software part number loaded on aircraft for operations. This software controls center tank fuel pumps when a low fuel condition exists. It automatically stops each override center tank fuel pump at 15 seconds after low fuel pressure indication from the pump pressure switch. Part loaded on aircraft is [the] wrong [one] per ad 2011-09.
Original NASA ASRS Text
Title: A B777 maintenance technician reported the incorrect electrical load management system software was found installed on board the aircraft.
Narrative: The wrong Electrical Load Management System operation program configuration software part number loaded on aircraft for operations. This software controls center tank fuel pumps when a low fuel condition exists. It automatically stops each override center tank fuel pump at 15 seconds after low fuel pressure indication from the pump pressure switch. Part loaded on aircraft is [the] wrong [one] per AD 2011-09.
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.