# SDR CA000621044

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 12, 2000
- Submitted: January 22, 2001
- Operation: Air carrier
- Make and model: Cndair CL2151A10
- Aircraft time: 1,798 hours
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Check Valve
- Part number: AN62498
- Condition: Cracked
- Location: Rt Wing
- Part time: 1,835 hours
- Stage of operation: CR
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: H, A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA000621044

## Discrepancy

(CAN) AIRCRAFT LOSS OIL HYDRAULIC PRESSURE AFTER DROPPING A LOAD OF WATER. AIRCRAFT RETURNED TO WABUSH AIRPORT. TANKER DOORS WERE CLOSED USING EMERGENCY SYSTEM, LANDING GEAR LOWERED USING EMERGENCY SYSTEM. MAINTENANCE DISCOVERED A CHECK VALVE IN RIGHT HAND WING  CRACKED IN TWO PIECES CAUSING ALL FLUID TO LEAK OUT OF MAIN SYSTEM.

---
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.