Service difficulty report · Indicator · Bolkms BK117C2

Difficulty date
January 31, 2024
Submitted
January 31, 2024
Operation
General aviation
Filed by
QR9R369D
M1 Support Services
Make and model
Bolkms BK117C2
Aircraft serial
10721769428
Aircraft time
3,749 hours
Part
Indicator
Part number
B771M40C1004
Condition
Fluctuates
Location
Rotor Tach
Stage of operation
HO
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

DURING HOVER, ROTOR TACH WOULD DROP TO 0 SEVERAL TIMES, THEN GO BACK TO NORMAL. REMOVED AND REPLACED TRIPLE INDICATOR IAW AMM 77-14-00, 4-1.