Service difficulty report · Tachometer · Bolkms BK117C2

Difficulty date
August 8, 2024
Submitted
August 8, 2024
Operation
General aviation
Filed by
QR9R369D
M1 Support Services
Make and model
Bolkms BK117C2
Aircraft serial
10721619401
Aircraft time
4,028 hours
Part
Tachometer
Part number
B771M40C1005
Part serial
676
Condition
Fluctuates
Location
Triple
Stage of operation
CR
How discovered
V
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

N2 NEEDLE #2 ENGINE KEEPS FLUCTUATING BETWEEN 0 AND FLIGHT DURING FLIGHT. REMOVED AND REPLACED TRIPLE INDICATOR RPM; MOC SUCCESSFULLY COMPLETED IAW AMM 05-60-00, 6-12.