# SDR IXXA0400111O

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 4, 2004
- Submitted: October 6, 2004
- Operation: Air carrier
- Aircraft: N31CX
- Make and model: Doug DC-8-62
- Registry model: [Doug DC-8-62](https://openairdocs.org/model/mcdonnell-douglas-dc-8-62) (OpenAirDocs)
- Aircraft serial: 45911318
- Aircraft time: 79,427 hours, 30,449 cycles
- System (JASC): [3422 · Directional Gyro and Indicating System](https://openairdocs.org/jasc/3422)
- Part: Fiber Optic Gyro
- Part number: 1428302001
- Part serial: 5072
- Condition: Faulty
- Location: Cockpit
- Part time: 79,427 hours, 30,449 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IXXA0400111O

## Discrepancy

AFTER TAKEOFF FROM KCOF, CAPTAINS ADI GYRO "OFF FLAG" AND NR 1 COMPASS "OFF FLAG" APPEARED.  CREW RETURNED AIRCRAFT TO KCOF AND LANDED WITHOUT INCIDENT.  MAINTENANCE REMOVED AND REPLACED FOG GYRO PER ALL APPLICABLE MANUALS AND AIRCRAFT WAS RETURNED TO SERVICE.

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