# SDR IPXA2018041628639

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 12, 2018
- Submitted: April 16, 2018
- Operation: Air carrier
- Aircraft: [N302UP](https://openairdocs.org/aircraft/N302UP), registered now
- Make and model: Boeing 767-34AF
- Registry model: [Boeing 767-34AF](https://openairdocs.org/model/boeing-767-34af) (OpenAirDocs)
- Aircraft serial: 27240
- Aircraft time: 58,238 hours, 19,175 cycles
- System (JASC): [2720 · Rudder Control System](https://openairdocs.org/jasc/2720)
- Part: Warning Message
- Condition: False Activation
- Location: Rudder Ratio
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2018041628639

## Discrepancy

AIR TURNBACK.  RUDDER RATIO EICAS MESSAGE ENROUTE.  PERFORMED FIM 27-09-00, FIG 106B, BLOCKS 1, 2, 3, 4, 5, & 6, CHECKED GOOD.   PERFORMED A TEST OF THE RUDDER RATIO SYS IAW AMM 27-20-00.  OPS CHECKED GOOD, NO FAULTS FOUND.

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