What was found
CUSTOMER REPORTED DUAL TACHOMETER ASSEMBLY P/N: C792-5 ENGINE RPM INDICATION FLUCTUATES AT 100%.
- Difficulty date
- November 17, 2020
- Submitted
- December 11, 2020
- Operation
- General aviation
- Filed by
- YV3R012M
Robinson Helicopter Company Inc - Make and model
- Robsin R44
- Aircraft serial
- 1737
- Aircraft time
- 1,146 hours
- Engine
- Lyc O540F1B5
- System (JASC)
- 6240 · Main Rotor Indicating System
- Part
- Dual Tachometer
- Part number
- C7925
- Part serial
- A2010789
- Condition
- Defective
- 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.