What was found
CUSTOMER REPORTED DUAL TACHOMETER ASSEMBLY P/N: C792-4 ROTOR NEEDLE DROPS DOWN TO 90% IN FLIGHT.
- Difficulty date
- November 5, 2020
- Submitted
- November 14, 2020
- Operation
- General aviation
- Filed by
- YV3R012M
Robinson Helicopter Company Inc - Make and model
- Robsin R44
- Aircraft serial
- 1692
- Aircraft time
- 2,193 hours
- Engine
- Lyc O540F1B5
- System (JASC)
- 6240 · Main Rotor Indicating System
- Part
- Dual Tachometer
- Part number
- C7924
- Part serial
- 710
- Condition
- Defective
- Stage of operation
- CR
- How discovered
- 9
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.