What was found
AUDIO CONTROL UNIT WAS RECEIVED NEW FROM SUPPLY. DURING MOC, MAINTENANCE DETECTED THE NAV 2 BUTTON LOCKDOWN FUNCTION DOES NOT LOCK DOWN. ACU TAGGED UNSERVICEABLE AND TURNED IN TO SUPPLY.
- Difficulty date
- August 29, 2024
- Submitted
- August 29, 2024
- Operation
- General aviation
- Filed by
- QR9R369D
M1 Support Services - Make and model
- Bolkms BK117C2
- Aircraft serial
- 15723619740
- Aircraft time
- 3,920 hours
- System (JASC)
- 2300 · Communications System
- Part
- Audio Control
- Part number
- ACU610025200
- Part serial
- 12050
- Condition
- Unserviceable
- Location
- Zone 200
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- O
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.