What was found
MAST MOMENT READING ON VEMD LANE 1 INOP DURING START RUN-UP. TROUBLESHOOTING FOUND THE SSTU FAILED DYN.KAL ON FUNCTIONAL TEST. REMOVED AND REPLACED SENSOR SIGNAL TRANSMITTING UNIT IAW AMM 63-42-00, 4-2.
- Difficulty date
- March 7, 2025
- Submitted
- March 7, 2025
- Operation
- General aviation
- Filed by
- QR9R369D
M1 Support Services - Make and model
- Bolkms BK117C2
- Aircraft serial
- 9328
- Aircraft time
- 4,472 hours
- System (JASC)
- 6340 · Rotor Drive Indicating System
- Part
- Transmitter
- Part number
- SSTUVEURC21S
- Condition
- Failed
- Location
- Main Rotor
- Stage of operation
- TX
- How discovered
- V
- Nature of condition
- F
- Precautionary procedure
- C
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.