# SDR 47504123104

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 31, 2004
- Submitted: January 7, 2005
- Operation: Air carrier
- Aircraft: [N431MA](https://openairdocs.org/aircraft/N431MA), registered now
- Make and model: Bell 222U
- Registry model: [Bell 222U](https://openairdocs.org/model/bell-222u) (OpenAirDocs)
- Aircraft serial: 47504
- Aircraft time: 8,076 hours, 21,896 cycles
- Engine: Lyc LTS101750C1
- Engine time: 5,863 hours, 89,689 cycles
- System (JASC): [2900 · Hydraulic Power System](https://openairdocs.org/jasc/2900)
- Part: Servo
- Part number: 222382001103
- Part serial: 0300A
- Condition: Failed
- Location: Hyd System
- Stage of operation: NR
- How discovered: O
- Nature of condition: F
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/47504123104

## Discrepancy

SCENE FLIGHT FROM BASE 7 LAS VEGAS, NV TO JEAN, NV TO UNIVERSITY MEDICAL CENTER (UMC), LAS VEGAS, NV. APPROXIMATELY 1 MILE SOUTH OF UMC, NR 1 HYDRAULIC SYSTEM LOST PRESSURE.  THE AIRCRAFT WAS LANDED IN A OPEN FIELD AT VALLEY HOSPITAL WITH OUT INCIDENT.  PATIENT WAS TRANSPORTED VIA AMBULANCE ACROSS THE STREET TO UMC.  RT DUAL ACTUATOR SERVO LEAKING AT PISTON.  REMOVED AND REPLACED SERVO.

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