What was found
ENGINE ROUGHNESS ON TAKE OFF, RPM FLUCTUATIONS, BLACK SMOKE COMING FROM EXHAUST, VIBRATIONS, AND LOUD BACKFIRING.
- Difficulty date
- August 18, 2023
- Submitted
- August 18, 2023
- Operation
- General aviation
- Aircraft
- N421MQ
- Make and model
- Diamon DA42NG
- Aircraft serial
- 42439
- Aircraft time
- 230 hours
- Engine
- Austro E4
- Engine time
- 230 hours
- System (JASC)
- 7240 · Turbine Engine Combustion Section
- Part
- Engine
- Part number
- E4C
- Part serial
- E4C06098
- Condition
- Mismanufactured
- Location
- Engine
- Part time
- 230 hours
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- E, R, O
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.