# SDR ASMF201204004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 9, 2012
- Submitted: April 27, 2012
- Operation: Air carrier
- Aircraft: [N859AM](https://openairdocs.org/aircraft/N859AM), registered now
- Make and model: Boeing 737808
- Aircraft serial: 32796
- Aircraft time: 31,543 hours, 10,641 cycles
- System (JASC): [3251 · Steering Unit](https://openairdocs.org/jasc/3251)
- Part: Bypass Valve
- Condition: Stuck
- Location: Nlg Steering
- Stage of operation: TX
- How discovered: O
- Nature of condition: O
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASMF201204004

## Discrepancy

ACFT RETURNED TO PLATFORM DUE TO DURING TAXING THE NOSE WHEEL STEERING WAS STUCK.  MX PERSONNEL PERFORMED THE FIM32-51 TASK 808, DETECTING THE BYPASS VALVE STUCK; SO THE VALVE ASSY WAS LUBRICATED IAW FIM TASK 32-51-00-200-801, TESTED CORRECT.

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