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A technician reports the engineering service order for checking and testing B757-200 APU battery overheat sensors is frequently being changed, causing confusion.
| Attributes | |
| ACN | 518355 |
| Time | |
| Date | 200106 |
| Day | Fri |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | agl single value : 0 |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | B757-200 |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | other |
| Flight Phase | ground : maintenance |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | maintenance : technician |
| ASRS Report | 518355 |
| Events | |
| Anomaly | aircraft equipment problem : less severe maintenance problem : improper maintenance non adherence : far non adherence : published procedure |
| Independent Detector | other other : person 1 |
| Resolutory Action | none taken : detected after the fact |
| Consequence | other other |
| Factors | |
| Maintenance | contributing factor : engineering procedure contributing factor : manuals performance deficiency : scheduled maintenance performance deficiency : inspection performance deficiency : testing |
| Supplementary | |
| Problem Areas | Chart Or Publication Maintenance Human Performance Company |
| Primary Problem | Maintenance Human Performance |
Narrative:
Engineering service order change for the sensor check. Then, they changed it back to room temperature check.
Original NASA ASRS Text
Title: A TECHNICIAN RPTS THE ENGINEERING SVC ORDER FOR CHKING AND TESTING B757-200 APU BATTERY OVERHEAT SENSORS IS FREQUENTLY BEING CHANGED, CAUSING CONFUSION.
Narrative: ENGINEERING SVC ORDER CHANGE FOR THE SENSOR CHK. THEN, THEY CHANGED IT BACK TO ROOM TEMP CHK.
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.