What was found
LOG PAGE NR 107128. CAPTAIN'S HEADING FLAG DISPLAYED INTERMITTENTLY; RETURNED TO RAMP. REMOVED AND REPLACED INSTRUMENT AMP IAW M/M 34-21-0; HORIZON SYSTEM OPERATIONAL NORMAL IAW M/M 34-25-0.
- Difficulty date
- June 21, 2004
- Submitted
- June 24, 2004
- Operation
- Air carrier
- Aircraft
- N661AV
- Make and model
- Doug DC863F
- Aircraft serial
- 45969
- Aircraft time
- 88,069 hours, 29,062 cycles
- Engine
- Pwa JT3D*
- System (JASC)
- 3420 · Attitude and Direction Data System
- Part
- Amplifier
- Part number
- 2588533901
- Part serial
- 810261
- Condition
- Failed
- Location
- Indicator
- Stage of operation
- TX
- How discovered
- O
- Nature of condition
- O
- Precautionary procedure
- D
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.