# SDR BA07004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 18, 2007
- Submitted: April 20, 2007
- Operation: Air carrier
- Aircraft: N273AY
- Make and model: Airbus A330-323
- Registry model: [Airbus A330-323](https://openairdocs.org/model/airbus-a330-323) (OpenAirDocs)
- Aircraft serial: 0337
- Aircraft time: 32,897 hours, 4,807 cycles
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Pump
- Part number: 974800
- Part serial: 3894
- Condition: Failed
- Location: Hhydraulic Sys
- Part time: 23,978 hours, 4,052 cycles
- Stage of operation: CR
- 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/BA07004

## Discrepancy

FLIGHT 1071, PHL-SJU:  DURING CRUISE, THE GREEN SYSTEM HYDRAULIC QUANTITY DROPPED TO ZERO.  FLIGHT RETURNED TO PHL.  MAINTENANCE REPLACED THE GREEN SYSTEM HYDRAULIC PUMPS AND FILTERS.

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