# SDR AALA202111109706

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 9, 2021
- Submitted: November 10, 2021
- Operation: Air carrier
- Aircraft: [N157UW](https://openairdocs.org/aircraft/N157UW), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 5696
- Aircraft time: 24,876 hours, 10,002 cycles
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Pump
- Part number: 3031863001
- Part serial: MX611074
- Condition: Low Pressure
- Location: Hyd System
- Part time: 58,560 hours, 30,792 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202111109706

## Discrepancy

AIRCRAFT WAS GROUNDED: AIRCRAFT DIVERTED TO DFW DUE TO AN ECAM MESSAGE FOR GREEN HYDRAULIC SYSTEM LOW PRESSURE. AN EMERGENCY WAS DECLARED, THE CREW  ACCOMPLISHED A GRAVITY GEAR EXTENSION, FLAP 3 LANDING. AT DFW. THE AIRCRAFT LANDED SAFELY AND TAXIED TO THE GATE. MAINTENANCE REPLACED THE #1 ENGINE DRIVEN HYDRAULIC PUMP AND ACCOMPLISHED A SATISFACTORY LEAK / OPERATIONAL CHECK PER AMM 2--11-51.

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