# SDR AALA20031409

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 9, 2003
- Submitted: December 10, 2003
- Operation: Air carrier
- Aircraft: [N476AA](https://openairdocs.org/aircraft/N476AA), registered now
- Make and model: Doug DC-9-82
- Registry model: [Doug DC-9-82](https://openairdocs.org/model/mcdonnell-douglas-dc-9-82) (OpenAirDocs)
- Aircraft serial: 49651
- System (JASC): [3422 · Directional Gyro and Indicating System](https://openairdocs.org/jasc/3422)
- Part: Gyro
- Condition: Failed
- Location: Cockpit
- Stage of operation: CR
- 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/AALA20031409

## Discrepancy

DFW  T1052/09  EN ROUTE IAH-DFW ALL PRIMARY FLIGHT INSTRUMENTS INOPERATIVE. NR 2 GYRO IN 30 DEGREES TURN CONTINUED TO ROTATE AT ONE POINT NR 1, NR 2 AND STANDBY ALL SHOWED HEADINGS THAT WERE 30 DEGREES MINIMUM APART. LANDED DFW WITHOUT INCIDENT. REPLACED NUMBER 1 AND 2 DIRECTIONAL GYROS AND CAPTAINS RADIO DIRECTION MAGNETIC INDICATOR. SYSTEM GROUND CHECKED NORMAL OPERATION. CLOSED

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