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Technician reported that another technician failed to install the engine oil filter correctly; causing an in flight oil leak.
| Attributes | |
| ACN | 1695409 |
| Time | |
| Date | 201910 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | PA-31 Navajo/Chieftan/Mojave/T1040 |
| Operating Under FAR Part | Part 91 |
| Flight Phase | Parked |
| Component | |
| Aircraft Component | Oil Filter |
| Person 1 | |
| Function | Technician |
| Qualification | Maintenance Airframe Maintenance Inspection Authority Maintenance Powerplant |
| Events | |
| Anomaly | Aircraft Equipment Problem Critical Deviation - Procedural Maintenance Deviation - Procedural Published Material / Policy |
Narrative:
I returned an aircraft to service after an annual inspection. I was assisted by a licensed a&P. Apparently; the a&P failed to properly safety the oil filter. Upon returning from a flight; oil was noted on the cowling. During investigation; it was discovered that the oil leak was from the oil filter; which was not safety wired properly and had become loose. A number of hand tools were also discovered on top of the engine. It was an oversight on my part before the engine was cowled after inspection. I'm disappointed that I can't rely on a licensed a&P; so; in the future; much closer quality control on my part!
Original NASA ASRS Text
Title: Technician reported that another Technician failed to install the engine oil filter correctly; causing an in flight oil leak.
Narrative: I returned an aircraft to service after an Annual Inspection. I was assisted by a licensed A&P. Apparently; the A&P failed to properly safety the oil filter. Upon returning from a flight; oil was noted on the cowling. During investigation; it was discovered that the oil leak was from the oil filter; which was not safety wired properly and had become loose. A number of hand tools were also discovered on top of the engine. It was an oversight on my part before the engine was cowled after inspection. I'm disappointed that I can't rely on a licensed A&P; so; in the future; much closer quality control on my part!
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.