What was found
CUSTOMER SENT IN DUAL TACHOMETER ASSEMBLY P/N: C792-4 FOR WARRANTY CONSIDERATION. DURING FUNCTION TESTING, ROTOR NEEDLE FAILED AFTER UNIT WARMED UP.
- Difficulty date
- December 9, 2020
- Submitted
- December 16, 2020
- Operation
- General aviation
- Filed by
- YV3R012M
Robinson Helicopter Company Inc - Make and model
- Robsin R44RAVENII
- Aircraft serial
- 12062
- Aircraft time
- 536 hours
- Engine
- Lyc IO540AE1A5
- System (JASC)
- 6240 · Main Rotor Indicating System
- Part
- Dual Tachometer
- Part number
- C7924
- Part serial
- 4379
- Condition
- Defective
- 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.