# SDR SWIA2020021848566

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 17, 2020
- Submitted: February 18, 2020
- Operation: Air carrier
- Aircraft: [N692CA](https://openairdocs.org/aircraft/N692CA), registered now
- Make and model: Cndair CL6002D24
- Aircraft serial: 15092
- Aircraft time: 30,687 hours, 19,854 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: O-Ring
- Condition: Failed
- Location: Press Indicator
- Stage of operation: CL
- How discovered: 9
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWIA2020021848566

## Discrepancy

HYDRAULIC 3 LOW PRESS CAUTION AT CRUISE WITH INBD GROUND SPOILERS FAULT CAUTION. HYDRAULIC QTY SHOWED 0%. DECLARED EMERGENCY AND RETURNED TO DTW. HAD TO PERFORM EMERGENCY EXTENSION OF THE LANDING GEAR. FLIGHT 3558 - FILED CLOSEDTHIS DISCREPANCY WAS TRANSFERRED TO CAMP ITEM 20490627 WITH THE FOLLOWING CORRECTIVE ACTION: "REMOVED AND REPLACED #3 HYDRAULIC SYSTEM PRESSURE MANIFOLD PRESSURE INDICATOR O-RINGS IN REF TO CRJ900 CMM. OPS AND LEAK CHECK GOOD. ALSO SERVICED HYDRAULIC SYSTEM #3 TO 55% PRESSURIZED IN REFERENCE TO CRJ 900 AMM. HYDRAULICS HAVE BEEN STABLE AT 55% WHILE PRESSURIZED ALL NIGHT "

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