# SDR SWIA201335738

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 24, 2013
- Submitted: December 30, 2013
- Operation: Air carrier
- Aircraft: [N955SW](https://openairdocs.org/aircraft/N955SW), registered now
- Make and model: Cndair CL6002B19
- Aircraft serial: 7817
- Aircraft time: 26,825 hours, 23,449 cycles
- System (JASC): [2211 · Autopilot Computer](https://openairdocs.org/jasc/2211)
- Part: Computer
- Condition: Faulty
- Location: Autopilot Sys
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWIA201335738

## Discrepancy

RECEIVED TWO PRONOUNCED RUDDER INPUTS, THEN THE AIRCRAFT BEGAN TO YAW.  YAW DAMPER NR 1 DISCONNECTED, THEN RECEIVED YD 1 INOPERATIVE STATUS MESSAGE.  FLT 4632 REPLACED FCC COMPUTER & LIGHTING PROTECTION UNIT HIRF LT & RT IAW AMM.  PN 622-9815-904, SN ON 719, SN OFF 103FH, PN 822-0332-401, SN ON 1109V, PN 822-0287-401, SN ON 1399T & SN OFF 10NGW.

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