What was found
CUSTOMER REPORTED DUAL TACHOMETER P/N: C792-4 MAIN ROTOR NEEDLE DROPS/FAILS INTERMITTENTLY.
- Difficulty date
- October 21, 2019
- Submitted
- October 25, 2019
- Operation
- General aviation
- Filed by
- YV3R012M
Robinson Helicopter Company Inc - Make and model
- Robsin R44RAVENII
- Aircraft serial
- 11609
- Aircraft time
- 2,254 hours
- Engine
- Lyc IO540AE1A5
- System (JASC)
- 6240 · Main Rotor Indicating System
- Part
- Tachometer
- Part number
- C7924R
- Part serial
- 134
- Condition
- Malfunctioned
- Stage of operation
- NR
- 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.