# SDR AALA20130209005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 9, 2013
- Submitted: February 12, 2013
- Operation: Air carrier
- Aircraft: [N861NN](https://openairdocs.org/aircraft/N861NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 31109
- Aircraft time: 7,085 hours, 2,853 cycles
- System (JASC): [2211 · Autopilot Computer](https://openairdocs.org/jasc/2211)
- Part: Computer
- Condition: Malfunctioned
- Location: Autopilot Sys
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA20130209005

## Discrepancy

MIA - CREW REPORTED YAW DAMPER AND LEFT INERTIAL REFERENCE UNIT FAULTS.  FLIGHT RETURNED MIA LANDED WITHOUT INCIDENT.  AIRCRAFT REMOVED FROM SERVICE.  REPLACED FLIGHT CONTROL COMPUTER A.  SYSTEM GROUND CHECK NORMAL OPERATION.

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