What was found
CAPTAINS HSI AND ADI FAILED AFTER INITIAL CLIMBOUT AND LEVEL OFF AT CRUISE ALTITUDE. RETURNED TO ORIGINATING STATION. R & R NR 1 FOG GYRO IAW MM 34-11-25. OPS CHECKED GOOD.
- Difficulty date
- June 5, 2012
- Submitted
- June 6, 2012
- Operation
- Air carrier
- Aircraft
- N41CX
- Make and model
- Doug DC862F
- Aircraft serial
- 46129
- Aircraft time
- 90,792 hours, 24,253 cycles
- System (JASC)
- 3420 · Attitude and Direction Data System
- Part
- Gyro
- Part number
- 1428302001
- Part serial
- 5057
- Condition
- Failed
- Location
- Hsi
- Part time
- 1,746 hours, 315 cycles
- Stage of operation
- CR
- How discovered
- V
- Nature of condition
- J
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.