# SDR CHQA201000024

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 1, 2010
- Submitted: February 3, 2010
- Operation: Air carrier
- Aircraft: N284SK
- Make and model: Emb EMB-145LR
- Registry model: [EMB EMB-145LR](https://openairdocs.org/model/embraer-emb-145lr) (OpenAirDocs)
- Aircraft serial: 145427
- Aircraft time: 21,844 hours, 17,926 cycles
- Engine: Allsn AE3007A
- Engine time: 22,155 hours, 18,684 cycles
- System (JASC): [2720 · Rudder Control System](https://openairdocs.org/jasc/2720)
- Part: Unknown
- Condition: Malfunctioned
- Location: Rudder
- 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/CHQA201000024

## Discrepancy

DURING CLIMBOUT, THE CREW RECEIVED A RUDDER SYS 1-2 INOP MESSAGE ON EICAS.  THE QRH WAS FOLLOWED AND THE MESSAGE CLEARED AND AS A RESULT THE CREW RECEIVED AUTO-PILOT AND YAW DAMPER FAIL MESSAGES ON EICAS.  THE CREW REDUCED ALTITUDE DUE TO NOW BEING NON-RVSM AND AS A RESULT HAD TO DIVERT TO LIT WHERE THE AIRCRAFT LANDED WITHOUT INCIDENT.  MAINTENANCE RESET THE SYSTEM IT WAS OPS CHECKING GOOD IAW FIM 27-22-00.  THE AIRCRAFT WAS THEN FUELED AND CONTINUED TO STL.

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