# SDR DALA2023080206264

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 1, 2023
- Submitted: August 2, 2023
- Operation: Air carrier
- Aircraft: [N590NW](https://openairdocs.org/aircraft/N590NW), registered now
- Make and model: Boeing 757351
- Aircraft serial: 32990
- Aircraft time: 69,836 hours, 22,903 cycles
- System (JASC): [3250 · Landing Gear Steering System](https://openairdocs.org/jasc/3250)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2023080206264

## Discrepancy

SHIP 5810 DURING TAKEOFF ROLL AT 125 KNOTS WE FELT A QUICK (1 SEC) SHUDDER . IN THE YAW AXIS. ENGINE INDICATION NORMAL. SEA TWR SAW NO EVIDENCE OF TIRE FAILURE. FLIGHT WAS NORMAL. DECLARED EMERGENCY. CORRECTIVE ACTION: OPENED GEAR DOOR AND LOWERED FLAPS TO 30 DEGRESS. PERFORMED VISUAL INSP OF NOSE STEERING MECHANISM NO DEFECT NOTED. INSPECTED ALL TIRES PER B757-200 AMM 32-45.

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