# SDR AALA20111210TUL13

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 10, 2011
- Submitted: December 21, 2011
- Operation: Air carrier
- Aircraft: [N9615W](https://openairdocs.org/aircraft/N9615W), registered now
- Make and model: Doug DC-9-83
- Registry model: [Doug DC-9-83](https://openairdocs.org/model/douglas-dc-9-83) (OpenAirDocs)
- Aircraft serial: 53562
- Aircraft time: 42,422 hours, 19,907 cycles
- System (JASC): [2210 · Autopilot System](https://openairdocs.org/jasc/2210)
- Part: Circuit Breaker
- Condition: Defective
- Location: Autopilot Sys
- Stage of operation: CL
- How discovered: O
- Nature of condition: G
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20111210TUL13

## Discrepancy

EWR - CREW REPORTED NUMBER 2 AUTO THROTTLES WOULD NOT ENGAGE.  ONCE AIRBORNE SELECTED NUMBER 1 DFGS AND YAW DAMPER OFF LIGHT ILLUMINATED.  FLIGHT RETURNED EWR LANDED WITHOUT INCIDENT.  REPLACED NUMBER 1 YAW DAMPER FAULTY CIRCUIT BREAKER.  SYSTEM GROUND CHECK NORMAL OPERATION.

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