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Bombardier challenger 300 captain reported experiencing a significant vibration in the right engine; resulting in a precautionary engine shutdown.
| Attributes | |
| ACN | 1510931 |
| Time | |
| Date | 201801 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | ZOA.ARTCC |
| State Reference | CA |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | Challenger 300 |
| Operating Under FAR Part | Part 135 |
| Flight Phase | Descent |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Turbine Engine |
| Person 1 | |
| Function | Captain Pilot Not Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe |
Narrative:
Descending through FL320 a vibration was felt throughout the plane. Looking at the engine instruments; we noticed about an 80 [degree] interstage turbine temperature (itt) split between the left and right engines. The vibration was getting worse. The 'right engine vibration' EICAS message came on. We accomplished the amber QRH procedure and the vibration continued. The vibration was getting worse and we started to smell an oily smell in the plane. The decision was made to do a precautionary shutdown of the right engine. I notified our predicament to ATC center and we accomplished the QRH procedure for a right engine shutdown. The vibration ceased immediately upon right engine shutdown. At this time we had about 75 [miles] to continue to destination and the decision was made to continue to ZZZ1 as a divert airport was about the same distance. With the QRH accomplished and the plane under control; I briefed the passengers that we shut down the right engine due to vibrations; the other engine was fine and that we should be on the ground in about 15 minutes with no issues.
Original NASA ASRS Text
Title: Bombardier Challenger 300 Captain reported experiencing a significant vibration in the right engine; resulting in a precautionary engine shutdown.
Narrative: Descending through FL320 a vibration was felt throughout the plane. Looking at the engine instruments; we noticed about an 80 [degree] Interstage Turbine Temperature (ITT) split between the left and right engines. The vibration was getting worse. The 'R ENGINE VIBRATION' EICAS message came on. We accomplished the amber QRH procedure and the vibration continued. The vibration was getting worse and we started to smell an oily smell in the plane. The decision was made to do a precautionary shutdown of the right engine. I notified our predicament to ATC center and we accomplished the QRH procedure for a right engine shutdown. The vibration ceased immediately upon right engine shutdown. At this time we had about 75 [miles] to continue to destination and the decision was made to continue to ZZZ1 as a divert airport was about the same distance. With the QRH accomplished and the plane under control; I briefed the passengers that we shut down the right engine due to vibrations; the other engine was fine and that we should be on the ground in about 15 minutes with no issues.
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.