# SDR SWIA2026040375667

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 3, 2026
- Submitted: April 6, 2026
- Operation: Air carrier
- Aircraft: [N751EV](https://openairdocs.org/aircraft/N751EV), registered now
- Make and model: Cndair CL6002C11
- Aircraft serial: 10163
- Aircraft time: 42,826 hours, 31,722 cycles
- System (JASC): [3250 · Landing Gear Steering System](https://openairdocs.org/jasc/3250)
- Part: Control Unit
- Part number: 4480000601
- Part serial: 00663
- Condition: Faulted
- Location: Steering
- Part time: 2,299 hours, 2,054 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWIA2026040375667

## Discrepancy

STEERING INOPERATIVE CAUTION AFTER PUSHBACK. RAN QRH MESSAGE CLEARED.   (FLIGHT 4710)  INTERROGATED MDC AND FOUND FAULT CODE B-007456 FOR NWS ECU FAILED DUE TO INTERNAL FAULT. REMOVED AND REPLACED NWS STEERING ECU REFERENCING APPLICABLE STEPS OF AMM 32-51-10. RIG CHECKS GOOD. PERFORMED MULTIPLE OP CHECKS OF NWS DURING GROUND TAXI RUNS WITH NO ISSUES NOTED, COULD NOT REPEAT STEERING INOP CAUTION MESSAGE.

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