What was found
(CAN) WHEN TRYING TO SWITCH THE NUMBER ONE ATTITUDE HEADING REFERENCE UNIT (AHRU) FROM MAGNETIC TO FREE GYRO THE UNIT WOULD NOT SWITCH. THE NR 1 AHRU WAS REPLACED.
- Difficulty date
- February 26, 2001
- Submitted
- March 20, 2001
- Operation
- Air carrier
- Make and model
- Pilats PC1245
- Engine
- Pwa PT6A67B
- Propeller
- Hartzl HCE4A3D
- System (JASC)
- 3420 · Attitude and Direction Data System
- Part
- Gyro
- Part number
- 1242102000
- Condition
- Failed
- Location
- Cockpit
- Part time
- 6 hours, 5 cycles
- Stage of operation
- CR
- How discovered
- O
- Nature of condition
- P
- Precautionary procedure
- O
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.