What was found
NR 1 HSI AND 32 HSI NOT MOVING AFTER DEPARTURE, RETURN TO ADS. REMOVED AND REPLACED PILOTS DIRECTIONAL GYRO OPERATIONAL CHECK GOOD ON GROUND TEST. RETURN AIRCRAFT TO SERVICE.
- Difficulty date
- April 22, 2002
- Submitted
- April 23, 2002
- Operation
- Air carrier
- Aircraft
- N699TW
- Make and model
- Amd FALCON20
- Aircraft serial
- 050
- Aircraft time
- 30,023 hours, 26,793 cycles
- System (JASC)
- 3422 · Directional Gyro and Indicating System
- Part
- Gyro
- Part number
- 25883023
- Part serial
- 9126665
- Condition
- Failed
- Location
- Cockpit
- Stage of operation
- CL
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- A
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.