# SDR SIMA20120413003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 13, 2012
- Submitted: April 16, 2012
- Operation: Air carrier
- Aircraft: [N521AE](https://openairdocs.org/aircraft/N521AE), registered now
- Make and model: Cndair CL6002C10
- Aircraft serial: 10142
- Aircraft time: 20,509 hours, 14,619 cycles
- System (JASC): [3250 · Landing Gear Steering System](https://openairdocs.org/jasc/3250)
- Part: Steering Sys
- Condition: Malfunctioned
- Location: Nlg
- Stage of operation: CL
- How discovered: O
- Nature of condition: J
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SIMA20120413003

## Discrepancy

FLIGHT 3250,  CREW REPORTED IN CLIMB, RECEIVED A STEERING INOPERATIVE CAUTION MESSAGE ON ED 1,  COMPLIED WITH AOM-1 ABNORMAL. CREW DECLARED AN EMERGENCY AND LANDED WITHOUT INCIDENT.  AIRCRAFT REMOVED FROM SERVICE.  FOLLOWED ETN CR-32-019, MESSAGE DISAPPEARED.  MDC FAULT HISTORY SHOWED NOSE WHEEL STEERING MANIFOLD, SOLENOID VALVE FAILED, FOLLOWED FIM TASK 32-51-50-810-801.  MESSAGE DID NOT REMAIN.  MDC ALSO INDICATED NWS PRESSURE SWITCH, SWITCH POSITION DISAGREE6.  FOLLOWED FIM TASK 32-51-35-810-801.  MESSAGE DID NOT REMAIN.  PERFORMED OPS CHECK OF STEERING IAW AMM 32-51-00-710-801.  OPS CHECKED GOOD.  AIRCRAFT RETURNED TO SERVICE.

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