What was found
#2 ADC READS NEGATIVE ALTITUDE AND CAUSES AN FLI DEGRADE. REPLACED #2 ADU IAW 34-11-00, 4-1.
- Difficulty date
- October 5, 2021
- Submitted
- October 5, 2021
- Operation
- General aviation
- Filed by
- QR9R369D
M1 Support Services - Make and model
- Bolkms BK117C2
- Aircraft serial
- 14723269697
- Aircraft time
- 2,375 hours
- System (JASC)
- 3400 · Navigation System
- Part
- None
- Part number
- C17133AA01
- Part serial
- 3960
- Condition
- Faulty
- Stage of operation
- IN
- How discovered
- V
- Nature of condition
- J
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.