Service difficulty report · Sensor · Bolkms BK117C2

Difficulty date
October 22, 2026
Submitted
October 22, 2026
Operation
General aviation
Filed by
QR9R369D
M1 Support Services
Make and model
Bolkms BK117C2
Aircraft serial
9273
Aircraft time
5,467 hours
Part
Sensor
Part number
430106202
Condition
Failed
Location
Rotor Tach
Stage of operation
CR
How discovered
O
Nature of condition
F
Precautionary procedure
A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

NR NEEDLE DROPPED TO ZERO INTERMITTENTLY AFTER 1.5 HRS OF FLIGHT. REMOVED AND REPLACED #1 XMSN SPEED PICK UP SENSOR IAW AMM 62-41-00, 4-1.