# SDR 97ZZZX3317

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 25, 1997
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N161DB](https://openairdocs.org/aircraft/N161DB), registered now
- Make and model: Doug DC-8-61
- Registry model: [Doug DC-8-61](https://openairdocs.org/model/douglas-dc-8-61) (OpenAirDocs)
- Aircraft serial: 45980
- System (JASC): [3422 · Directional Gyro and Indicating System](https://openairdocs.org/jasc/3422)
- Part: Directional Gyro
- Part number: 25883025
- Condition: Failed
- Location: Nr 2
- Stage of operation: CL
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/97ZZZX3317

## Discrepancy

OUT OF KMIA/SPIM, NR 1 COMPASS SHOWED 15 DEGREES OFF STANDBY AND NR 2 COMPASS SHOWED 15 DEGREES OFF COURSE, HEADING LIGHT ON STEADY IN INSTRUMENT COMPARATOR.  FOUND NR 2 DG FAILED SLAVE CHECK, REPLACED NR 2 DIRECTIONAL GYRO.  REPLACED NR 1 DG, AND NR 1 INSTRUMENT AMP RACK.  PERFORMED OPS CHECK PER MM 34-21-0 AND 34-21-1.  AIRCRAFT CHECKED EXTENSIVELY, BOTH SYSTEMS PERFORMED OK.  (X)

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