What was found
HIGH M/R RPM WARNING WAS BEING CAUSED BY A DEFECTIVE RPM WARNING BOX AND FLUCTUATING TRIPLE TACH INDICATOR. BOTH UNITS WERE REPLACED AND A/C RETURNED TO SERVICE.
- Difficulty date
- January 20, 1998
- Submitted
- March 26, 2000
- Operation
- General aviation
- Aircraft
- N495LF
- Make and model
- Bolkms BO105S
- Aircraft serial
- 645
- System (JASC)
- 6240 · Main Rotor Indicating System
- Part
- Indicator
- Part number
- DL43638
- Condition
- Fluctuates
- Location
- Triple Tach
- Stage of operation
- IN
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.