# SDR DALA2021062203377

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 21, 2021
- Submitted: June 22, 2021
- Operation: Air carrier
- Aircraft: [N137DU](https://openairdocs.org/aircraft/N137DU), registered now
- Make and model: Airbus BD-500-1A10
- Registry model: [Airbus BD-500-1A10](https://openairdocs.org/model/airbus-canada-ltd-ptnrsp-bd-500-1a10) (OpenAirDocs)
- Aircraft serial: 50056
- Aircraft time: 868 hours, 387 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: O-Ring
- Condition: Leaking
- Location: Hyd System
- Stage of operation: NR
- How discovered: O
- Nature of condition: K
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2021062203377

## Discrepancy

SHIP 8137 - DIV - TO MCI DUE TO NUMBER 2 HYDRAULIC QUANTITY WENT TO ZERO FOLLOWED BY LOW / PRESSURE CAUTION. CORRECTIVE ACTION: REPLACED THE O-RING ON NUMBER 4 MULTI-FUNCTION SPOILER / ACTUATOR RETURN FITTING. REPLACED THE ENGINE DRIVEN PUMP AND CASE DRAIN FILTER, NO METAL FOUND.

---
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.
