# SDR 99ZZZX1472

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 12, 1999
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N55NW](https://openairdocs.org/aircraft/N55NW), registered now
- Make and model: Agusta A109A2
- Aircraft serial: 7267
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Line
- Part number: 199900G530CD
- Condition: Ruptured
- Location: Hydraulic System
- Part time: 4,799 hours
- Stage of operation: NR
- Nature of condition: K, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/99ZZZX1472

## Discrepancy

DURING FLIGHT, PILOT EXPERIENCED LOSS OF NR 2 HYDRAULIC PRESSURE, NR 2 HYDRAULIC SERVO CAUTION LIGHT, THEN LOSS OF PRESSURE TO THE UTILITY HYDRAULIC SYSTEM. AIRCRAFT WAS LANDED AT BOEING FIELD WITHOUT INCIDENT AT 23:15 HOURS. CAUSE OF FAILURE WAS DETERMINED TO BE A RUPTURED HOSE ASSEMBLY SUPPLYING PRESSURE TO THE NR 2 FLIGHT CONTROL SYSTEM.  HOSE WAS REPLACED WITH A SERVICEABLE PART.

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