What was found
PILOTS REPORTED A ROUGH ENGINE RUNNING ON THE LEFT IGNITION UNIT (EIS). IT WAS DETERMINED THE EIS UNIT HAS FAILED. THIS IS THE SECOND EIS IGNITION UNIT TO FAIL ON THIS AIRCRAFT.
- Difficulty date
- May 19, 2024
- Submitted
- May 20, 2024
- Operation
- General aviation
- Filed by
- 8HBR698C
Hillsboro Aero Academy LLC - Aircraft
- N4056V
- Make and model
- Robsin R44
- Aircraft serial
- 30093
- Aircraft time
- 477 hours
- Engine
- Lyc O540F1B5
- Engine time
- 477 hours
- System (JASC)
- 7400 · Ignition System
- Part
- Ignition Unit
- Part number
- 66K6D3SN02
- Part serial
- 6D3923019
- Condition
- Failed
- Location
- Engine
- Part time
- 21 hours
- Stage of operation
- IN
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- E
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.