# SDR E81RJT22642

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 16, 2009
- Submitted: September 21, 2009
- Operation: Air carrier
- Aircraft: [N495CT](https://openairdocs.org/aircraft/N495CT), registered now
- Make and model: Beech 400A
- Registry model: [Beech 400A](https://openairdocs.org/model/hawker-beechcraft-400a) (OpenAirDocs)
- Aircraft serial: RK547
- Aircraft time: 1,023 hours, 766 cycles
- System (JASC): [2720 · Rudder Control System](https://openairdocs.org/jasc/2720)
- Part: Transducer
- Part number: APTE233A1750300A
- Part serial: 695010176
- Condition: Malfunctioned
- Location: Rudder Boost
- 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/E81RJT22642

## Discrepancy

FLIGHT CREW NOTED "RUDDER BOOST FAILURE" INDICATION SHORTLY AFTER DEPARTURE FROM KRFD, RETURNED TO KRFD. TROUBLESHOOTING INDICATED FAILED R/H ENGINE #1 RUDDER BOOST PRESSURE TRANSDUCER MT106. REPLACED PRESSURE TRANSDUCER WITH NEW PRESSURE TRANSDUCER, RUDDER BOOST SYSTEM FUNCTIONAL CHECKS OK. RECOMMEND MANUFACTURER INVESTIGATE WHETHER AN INFREQUENT FAILURE OR EXCESSIVE FAIL RATE FLEET-WIDE PROBLEM. TRANSIENT AIRCRAFT, PART HISTORY NOT AVAILABLE.

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