# SDR ASOA00079

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 1, 2000
- Submitted: September 12, 2000
- Operation: Air carrier
- Aircraft: N830AS
- Make and model: Cndair CL6002B19
- Aircraft serial: 7236
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Line
- Part number: AE7090061
- Condition: Failed
- Location: Hyd Press Sys
- Stage of operation: CR
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: B, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASOA00079

## Discrepancy

FLT 4690 - CREW REPORTED THAT HYDRAULIC SYSTEM NR 1 SYNOPTIC PAGE SHOWS ZERO QUANTITY.  HYDRAULIC QUANTITY THEN FLUCTUATED BETWEEN 2600-2900 PSI.  HYDRAUCLI PUMPS THEN RAN DRY FOR 25 MINUTES WITH NO FLUID.  CAPTAIN DECLARED AN EMERGENCY AND RETURNED TO ATL.  FLIGHT LANDED SAFELY.  MAINTENANCE REPLACED NR 1 EDP PRESSURE LINE.  MAINTENANCE CHANGED THE ENGINE PUMP AND ELECTRONIC PUMP FOR PREVENTATIVE MEASURES.  OPERATIONAL AND LEAK CHECKS WERE GOOD.  AIRCRAFT RETURNED TO SERVICE.  (M)

---
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.