# SDR AWXA200300652

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 4, 2003
- Submitted: June 5, 2003
- Operation: Air carrier
- Aircraft: [N622AW](https://openairdocs.org/aircraft/N622AW), registered now
- Make and model: Airbus A320-231
- Registry model: [Airbus A320-231](https://openairdocs.org/model/airbus-industrie-a320-231) (OpenAirDocs)
- Aircraft serial: 054
- Aircraft time: 43,318 hours, 19,695 cycles
- System (JASC): [3251 · Steering Unit](https://openairdocs.org/jasc/3251)
- Part: Transmitter
- Part number: 710TS06Y11
- Part serial: 188
- Condition: Defective
- Location: Instrument Panel
- Part time: 39,633 hours, 18,085 cycles
- Stage of operation: TX
- How discovered: O
- Nature of condition: S
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AWXA200300652

## Discrepancy

STEERING FAILURE - BSCU 1 FAULT ON TAXI AIRCRAFT COULD NOT BE STEERED WITH RUDDER PEDALS OR TILLER.  MAINTENANCE REMOVED AND REPLACED THE CAPTAINS N/W/S HAND WHEEL TRANSMITTER UNIT (1GC) IAW AMM 32-51-11-401, OPERATIONAL CHECK WAS GOOD. VENDOR TEARDOWN REPORT OF NOSE WHEEL STEERING CONTROLLER S/N 188 CONFIRMED FAILURE OF UNIT.  MICRO SWITCH (P/N TS116067) WAS FOUND INTERMITTENT, AND THE PLATE DRIVE, MAIN SPRING (P/N TS116022-4), AND RINGS (P/N TS116095-3) WERE FOUND WORN BEYOND LIMITS. UNIT WAS OVERHAULED PER CMM 32-51-11.

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