# SDR 98ZZZX4041

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 20, 1998
- Submitted: March 26, 2000
- Operation: General aviation
- Aircraft: [N858FT](https://openairdocs.org/aircraft/N858FT), registered now
- Make and model: Boeing 747123
- Aircraft serial: 20109
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Valve
- Condition: Leaking
- Location: Hydraulic System
- Stage of operation: CR
- Nature of condition: K
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/98ZZZX4041

## Discrepancy

HNL/NAN - DURING CRUISE, NR 3 SYSTEM HYDRAULIC QUANTITY DECREASED IN-FLIGHT.  ON ARRIVAL NAN, NR 3 SYSTEM FLIGHT CONTROL SOV FOUND UNSERVICEABLE.  PART REPLACED AND AIRCRAFT RELEASED TO SERVICE.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
