# SDR GTIA020638

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 8, 2002
- Submitted: July 9, 2002
- Operation: Air carrier
- Aircraft: N806NK
- Make and model: Doug DC-9-81(MD-81)
- Registry model: [Doug DC-9-81(MD-81)](https://openairdocs.org/model/mcdonnell-douglas-dc-9-81-md-81) (OpenAirDocs)
- Aircraft serial: 48051
- System (JASC): [3421 · Attitude Gyro and Indicating System](https://openairdocs.org/jasc/3421)
- Part: Gyro
- Part number: 2587335113
- Part serial: 81103222
- Condition: Faulty
- Location: E/E Bay
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/GTIA020638

## Discrepancy

MCO - FLT 1864 - FOUND AUTOPILOT DFGC ON NR 1 HAS ERRATIC JERKING PITCH CONTROL ESPECIALLY NOTICEABLE IN CLIMB/DESCENT.  REVIEWED THE FLT MEMORY LOGS ON THE NR 1 DFGC SYSTEM AND DETERMINED ATTITUDE SENSOR FAULTS ON SEVERAL FLIGHT LEGS.  REMOVED AND REPLACED THE VERTICAL NR 1 VERTICAL GYRO, OPS CHECK GOOD.  (M)

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