# SDR ARWA20040603

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 21, 2004
- Submitted: June 24, 2004
- Operation: Air carrier
- Aircraft: [N661AV](https://openairdocs.org/aircraft/N661AV), registered now
- Make and model: Doug DC-8-63F
- Registry model: [Doug DC-8-63F](https://openairdocs.org/model/mcdonnell-douglas-dc-8-63f) (OpenAirDocs)
- Aircraft serial: 45969
- Aircraft time: 88,069 hours, 29,062 cycles
- Engine: Pwa JT3D*
- System (JASC): [3420 · Attitude and Direction Data System](https://openairdocs.org/jasc/3420)
- 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
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ARWA20040603

## Discrepancy

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.