# SDR ABXA20260413161

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 13, 2026
- Submitted: April 13, 2026
- Operation: Air carrier
- Aircraft: [N1427A](https://openairdocs.org/aircraft/N1427A), registered now
- Make and model: Boeing 767306
- Aircraft serial: 28098
- Aircraft time: 93,733 hours, 21,769 cycles
- System (JASC): [2720 · Rudder Control System](https://openairdocs.org/jasc/2720)
- Part: Module
- Condition: Faulted
- Location: Rudder
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ABXA20260413161

## Discrepancy

AFTER BLOCK OUT AND LT & RT ENGINES STARTED, RUDDER RATIO EICAS CAUTION MESSAGE APPEARED. ACFT RETURNED TO GATE AND MTX GROUNDED ACFT . MTX RESET LT & RR RUDDER RATIO MODULE AND PERFORMED ENGINE RUNS AND NO RUDDER RATIO FAULT IAW FIM 27-09 FT 814 AND AMM 71-00-00 OPS CHECK GOOD ACFT RELEASED ETOPS 180.  AND RETURNED ACFT TO SERVICE.

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