What was found
ACU BREAKER IS POPPED. ISOLATED TO ACU. POSSIBLE POWER SPIKE DAMAGED ACU. REPLACED ACU AS REQUIRED. PERFORMED SYSTEM OPERATIONAL CHECKS IN ACCORDANCE WITH ASPEN AVIONICS EFD1000 INSTALLATION MANUAL 900-00003-001.
- Difficulty date
- January 27, 2011
- Submitted
- March 16, 2011
- Operation
- General aviation
- Aircraft
- N5090M
- Make and model
- Beech 76
- Aircraft serial
- ME34
- Aircraft time
- 1,602 hours
- System (JASC)
- 3422 · Directional Gyro and Indicating System
- Part
- Control Unit
- Part number
- 91000004001
- Part serial
- 11224
- Condition
- Failed
- Part time
- 151 hours
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.