What was found
CUSTOMER REPORTED DUAL TACHOMETER P/N: C792-4 NEEDLES ARE STICKY UPON START-UP, AND LAGS WHEN THROTTLE IS INCREASED.
- Difficulty date
- August 17, 2020
- Submitted
- August 20, 2020
- Operation
- General aviation
- Aircraft
- N4520X
- Make and model
- Robsin R44RAVENII
- Aircraft serial
- 12873
- Aircraft time
- 2,240 hours
- Engine
- Lyc IO540AE1A5
- System (JASC)
- 6240 · Main Rotor Indicating System
- Part
- Tachometer
- Part number
- C7924
- Part serial
- 3452
- Condition
- Defective
- 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.