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While instructing a trainee on a B767 APU the oil cap was not installed correctly. On preflight check EICAS warning low oil quantity.
| Attributes | |
| ACN | 623973 |
| Time | |
| Date | 200407 |
| Day | Tue |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : zzz.airport |
| State Reference | US |
| Altitude | agl single value : 0 |
| Environment | |
| Light | Night |
| Aircraft 1 | |
| Operator | common carrier : air carrier |
| Make Model Name | B767 Undifferentiated or Other Model |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : maintenance |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | instruction : instructor maintenance : technician |
| Qualification | technician : powerplant technician : airframe |
| Experience | maintenance technician : 30 |
| ASRS Report | 623973 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | instruction : trainee maintenance : technician |
| Events | |
| Anomaly | aircraft equipment problem : critical maintenance problem : improper maintenance non adherence : published procedure non adherence : far non adherence : company policies |
| Independent Detector | aircraft equipment other aircraft equipment : apu low oil qty eicas other other : 1 |
| Resolutory Action | none taken : detected after the fact |
| Consequence | other other |
| Factors | |
| Maintenance | performance deficiency : training performance deficiency : inspection performance deficiency : installation |
| Supplementary | |
| Problem Areas | Aircraft Chart Or Publication Maintenance Human Performance |
| Primary Problem | Maintenance Human Performance |
Narrative:
While performing instruction on APU SOP's and performing inspection (overnight layover) on APU: oil cap was not properly reseated. On preflight, APU oil low quantity message on EICAS. APU oil was svced, APU area cleaned, cap was installed. Log entry was made and APU entered on oil consumption watch. Trainee installed cap improperly. Trainer will inspect cap installation more carefully in future.
Original NASA ASRS Text
Title: WHILE INSTRUCTING A TRAINEE ON A B767 APU THE OIL CAP WAS NOT INSTALLED CORRECTLY. ON PREFLT CHK EICAS WARNING LOW OIL QUANTITY.
Narrative: WHILE PERFORMING INSTRUCTION ON APU SOP'S AND PERFORMING INSPECTION (OVERNIGHT LAYOVER) ON APU: OIL CAP WAS NOT PROPERLY RESEATED. ON PREFLT, APU OIL LOW QUANTITY MESSAGE ON EICAS. APU OIL WAS SVCED, APU AREA CLEANED, CAP WAS INSTALLED. LOG ENTRY WAS MADE AND APU ENTERED ON OIL CONSUMPTION WATCH. TRAINEE INSTALLED CAP IMPROPERLY. TRAINER WILL INSPECT CAP INSTALLATION MORE CAREFULLY IN FUTURE.
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.