# SDR HALA2018022600049

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 23, 2018
- Submitted: February 26, 2018
- Operation: Air carrier
- Aircraft: N580HA
- Make and model: Boeing 767-33A
- Registry model: [Boeing 767-33A](https://openairdocs.org/model/boeing-767-33a) (OpenAirDocs)
- Aircraft serial: 28140
- Aircraft time: 58,358 hours, 10,811 cycles
- System (JASC): [2720 · Rudder Control System](https://openairdocs.org/jasc/2720)
- Part: Module
- Condition: Malfunctioned
- Location: Rudder Ratio
- 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/HALA2018022600049

## Discrepancy

DURING CLIMB OUT,  HAD A RUDDER RATIO EICAS MESSAGE WITH ASSOCIATED DISCRETE LIGHT ILLUMINATED.  HYDRAULIC SYSTEM PRESSURE ALL NORMAL. DIVERTED,  PERFORMED A BITE TEST OF RUDDER RATIO CHANGER MODULE IAW FIM 27-09 814. NO FAULTS NOTED. OK FOR SERVICE.

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