# SDR DALA2022122788424

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 27, 2022
- Submitted: December 28, 2022
- Operation: Air carrier
- Aircraft: [N403DX](https://openairdocs.org/aircraft/N403DX), registered now
- Make and model: Airbus A330-941
- Registry model: [Airbus A330-941](https://openairdocs.org/model/airbus-a330-941) (OpenAirDocs)
- Aircraft serial: 1931
- Aircraft time: 12,965 hours, 1,520 cycles
- Engine: Rroyce TRENT700072
- Engine time: 7,057 hours, 868 cycles
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Pump
- Condition: Leaking
- Location: Hyd System
- Stage of operation: CR
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2022122788424

## Discrepancy

LOSS OF GREEN HYDRAULIC SYSTEM REQUIRING ALTERNATE GEAR EXTENSION.  FOUND NR 1 ENG EDP LEAKING.  REPLACED EDP. REPLACED NR 1 ENG G HYD CASE DRAIN, LP AND HP FILTERS. REPLACED NR 2 ENG HYD PUMP. REPLACED GREEN AUX PUMP. FLUSHED SYS. R & R WATER SEPARATOR AIR FILTER AND FLUID SEPARATOR ELEMENTS.

---
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.