What was found
CO-PILOT ACU MKR PIN WOULD NOT STAY IN THE DOWN POSITION. ACU WAS REPLACED IAW CMM 145MMS-016.
- Difficulty date
- August 31, 2021
- Submitted
- August 31, 2021
- Operation
- General aviation
- Filed by
- QR9R369D
M1 Support Services - Make and model
- Bolkms BK117C2
- Aircraft serial
- 08720809264
- Aircraft time
- 2,180 hours
- System (JASC)
- 2300 · Communications System
- Part
- Control Unit
- Part number
- ACU61002120
- Part serial
- 01290
- Condition
- Failed Insp
- Location
- Audio
- Stage of operation
- IN
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.