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A line aircraft maintenance technician (amt) was informed that oil had leaked from an engine driven pump (edp) on a crj-900 aircraft after he and another technician had installed a flying kit as part of an MEL deferral for a # 2 engine edp. They had misread one step and forgot to install a nut onto the spline shaft.
| Attributes | |
| ACN | 1257330 |
| Time | |
| Date | 201504 |
| Local Time Of Day | 1801-2400 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Light | Night |
| Aircraft 1 | |
| Make Model Name | Regional Jet 900 (CRJ900) |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Parked |
| Component | |
| Aircraft Component | Hydraulic System Pump |
| Person 1 | |
| Function | Technician |
| Qualification | Maintenance Airframe Maintenance Powerplant |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical Deviation - Procedural Published Material / Policy |
Narrative:
Was sent to do this job with another co-worker to do MEL on engine driven pump (edp). I'm still on bye back. We installed a flying kit for engine driven pump. However; we misread one step and forgot to install a nut into a spline shaft. This lead to oil splitting from engine driven pump. Training not adequate.
Original NASA ASRS Text
Title: A Line Aircraft Maintenance Technician (AMT) was informed that oil had leaked from an Engine Driven Pump (EDP) on a CRJ-900 aircraft after he and another Technician had installed a flying kit as part of an MEL deferral for a # 2 Engine EDP. They had misread one step and forgot to install a nut onto the spline shaft.
Narrative: Was sent to do this job with another co-worker to do MEL on Engine Driven Pump (EDP). I'm still on bye back. We installed a flying kit for engine driven pump. However; we misread one step and forgot to install a nut into a spline shaft. This lead to oil splitting from engine driven pump. Training not adequate.
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.