What was found
CUSTOMER REPORTED DUAL TACHOMETER P/N: ROTOR NEEDLE JUMPS AND THEN GOES INOPERATIVE.
- Difficulty date
- October 5, 2019
- Submitted
- October 12, 2019
- Operation
- General aviation
- Aircraft
- N449BA
- Make and model
- Robsin R44
- Aircraft serial
- 2265
- Aircraft time
- 2,200 hours
- Engine
- Lyc O540F1B5
- System (JASC)
- 6240 · Main Rotor Indicating System
- Part
- Tachometer
- Part number
- C7924R
- Part serial
- 4751
- Condition
- Malfunctioned
- 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.