What was found
CUSTOMER REPORTED DUAL TACHOMETER P/N: C792-4R NEEDLES HAVE AN ERRATIC READING.
- Difficulty date
- November 20, 2019
- Submitted
- November 22, 2019
- Operation
- General aviation
- Filed by
- YV3R012M
Robinson Helicopter Company Inc - Make and model
- Robsin R44RAVENII
- Aircraft serial
- 11691
- Aircraft time
- 223 hours
- Engine
- Lyc O360J2A
- System (JASC)
- 6240 · Main Rotor Indicating System
- Part
- Tachometer
- Part number
- C7924R
- Part serial
- 2504
- Condition
- Defective
- Location
- Dual
- 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.