What was found
AIRCRAFT WAS PULLED INTO A HOVER AND THE LOW ROTOR WARNING SOUNDED AND THE ROTOR RPM READ ZERO. AIRCRAFT LANDED AND FLIGHT WAS CANCELLED.
- Difficulty date
- July 17, 2020
- Submitted
- July 21, 2020
- Operation
- General aviation
- Aircraft
- N440SF
- Make and model
- Bolkms BK117C2
- Aircraft serial
- 9457
- Aircraft time
- 4,722 hours, 13,938 cycles
- System (JASC)
- 6340 · Rotor Drive Indicating System
- Part
- Indicator
- Part number
- B771M40C1005
- Part serial
- 112
- Condition
- Inoperative
- Location
- Low Rotor
- Part time
- 4,722 hours, 13,938 cycles
- Stage of operation
- HO
- How discovered
- O
- Nature of condition
- N
- Precautionary procedure
- C
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.