What was found
CUSTOMER REPORTED DUAL TACHOMETER P/N: DC792-4R IS UNSERVICEABLE. OPERATIONAL CHECK REVEALED ENGINE NEEDLE WAS STICKING.
- Difficulty date
- January 18, 2020
- Submitted
- January 28, 2020
- Operation
- General aviation
- Filed by
- YV3R012M
Robinson Helicopter Company Inc - Make and model
- Robsin R44RAVENII
- Aircraft serial
- 10743
- Aircraft time
- 2,202 hours
- Engine
- Lyc IO540AE1A5
- System (JASC)
- 6240 · Main Rotor Indicating System
- Part
- Tachometer
- Part number
- C7924R
- Part serial
- 3257
- Condition
- Malfunctioned
- 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.