What was found
CUSTOMER REPORTED DUAL TACHOMETER ASSEMBLY P/N: C792-5 FLUCTUATES CAUSING OVER RPM.
- Difficulty date
- October 31, 2022
- Submitted
- November 17, 2022
- Operation
- General aviation
- Make and model
- Robsin R44RAVENII
- Aircraft serial
- 12183
- Engine
- Lyc IO540AE1A5
- System (JASC)
- 6240 · Main Rotor Indicating System
- Part
- Dual Tachometer
- Part number
- C7925
- Part serial
- F2110399
- Condition
- Defective
- Part time
- 180 hours
- Stage of operation
- NR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.