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SR20 flight instructor reported returning to departure airport after noticing some engine anomalies.
| Attributes | |
| ACN | 1435990 |
| Time | |
| Date | 201703 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | ZZZ.Tower |
| State Reference | US |
| Environment | |
| Light | Daylight |
| Aircraft 1 | |
| Make Model Name | SR20 |
| Operating Under FAR Part | Part 91 |
| Flight Phase | Initial Climb |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Engine |
| Person 1 | |
| Function | Instructor |
| Qualification | Flight Crew Air Transport Pilot (ATP) Flight Crew Flight Instructor |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe |
Narrative:
During the initial phase of flight; the aircraft showed no unusual indications; nor were there any signs of engine abnormality until approximately 1 hour into the flight. During a missed approach procedure climb out from the VOR DME; student and instructor both noticed some slight engine roughness. Engine indications seemed normal at the time; but ip (instructor pilot) noticed that the cht for cylinder 3 was not reporting on the mfd. In addition to this; the egt for cylinder three seemed low compared to the other cylinder readings. At 2200 feet; ip decided to return to [departure airport] for a precautionary landing. After landing and taxiing to an FBO; the engine seemed to be acting normally (no longer vibrating; though cylinder 3 still showed no cht value.) post flight inspection revealed that the engine compartment seemed to be leaking excessive oil. Ambient temperature on the ground read 31*C; though as stated in the description narrative; [neither] cht nor egt temperatures seemed to be affected by this.
Original NASA ASRS Text
Title: SR20 flight instructor reported returning to departure airport after noticing some engine anomalies.
Narrative: During the initial phase of flight; the aircraft showed no unusual indications; nor were there any signs of engine abnormality until approximately 1 hour into the flight. During a missed approach procedure climb out from the VOR DME; Student and instructor both noticed some slight engine roughness. Engine indications seemed normal at the time; but IP (Instructor Pilot) noticed that the CHT for cylinder 3 was not reporting on the MFD. In addition to this; the EGT for cylinder three seemed low compared to the other cylinder readings. At 2200 feet; IP decided to return to [departure airport] for a precautionary landing. After landing and taxiing to an FBO; the engine seemed to be acting normally (no longer vibrating; though cylinder 3 still showed no CHT value.) Post flight inspection revealed that the engine compartment seemed to be leaking excessive oil. Ambient temperature on the ground read 31*C; though as stated in the description narrative; [neither] CHT nor EGT temperatures seemed to be affected by this.
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.