What was found
BOTH EFIS SCREENS FAILED IN FLIGHT AND DISPLAYED "DPU FAIL".
- Difficulty date
- April 29, 2023
- Submitted
- May 2, 2023
- Operation
- Air carrier
- Aircraft
- N1079D
- Make and model
- Beech C90A
- Aircraft serial
- LJ1462
- Aircraft time
- 9,574 hours, 11,785 cycles
- System (JASC)
- 3400 · Navigation System
- Part
- Dpu
- Part number
- 6229682004
- Part serial
- 230
- Condition
- Failed
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- I
- Precautionary procedure
- K
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.