# SDR AT9900632

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 3, 1999
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N801AT](https://openairdocs.org/aircraft/N801AT), registered now
- Make and model: Doug DC-9-32
- Registry model: [Doug DC-9-32](https://openairdocs.org/model/mcdonnell-douglas-dc-9-32) (OpenAirDocs)
- Aircraft serial: 47275
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Computer
- Part number: 25878313
- Condition: Malfunctioned
- Location: E/E Compt
- Stage of operation: CL
- Nature of condition: F
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AT9900632

## Discrepancy

CREW REPORTED YAW OSCILLATIONS DURING CLIMB-OUT.  UNSURE IF IT WAS A YAW DAMPER PROBLEM OR AND ENGINE MALFUNCTION.  AFTER LANDING DETERMINED TO BE A YAW DAMPER PROBLEM.  REMOVED AND REPLACED STAB AUGMENTATOR COMPUTER.  OPS CHECKED GOOD.

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