# SDR AALA201707039024

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 2, 2017
- Submitted: July 4, 2017
- Operation: Air carrier
- Aircraft: [N977UY](https://openairdocs.org/aircraft/N977UY), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 5409
- Aircraft time: 15,556 hours, 6,295 cycles
- System (JASC): [2913 · Hydraulic Pump (Electric/Engine), Main](https://openairdocs.org/jasc/2913)
- Part: Pump
- Part number: 3031863001
- Part serial: MX788589
- Condition: Failed
- Location: Hydraulic Sys
- Part time: 6,008 hours, 2,358 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201707039024

## Discrepancy

AIRCRAFT WAS GROUNDED. DIVERTED TO MCO. EMERGENCY DECLARED. FLIGHT CREW REPORTED FAILURE OF NR 1 HYDRAULIC GREEN PUMP INFLIGHT AND LOSS OF GREEN SYSTEM PRESSURE. ACCOMPLISHED TSM 29-11-00-810 FOR LOSS  OF PRESSURE NR 1 PUMP. REMOVED AND REPLACED CASE DRAIN FILTER IAW 29-11-43 WITH NO DEBRIS FOUND. REMOVED AND REPLACED NR 1 PUMP IAW 29-11-31. ACCOMPLISHED OPERATIONAL TEST IAW AMM 29-11-00 AND 29-11-51. LEAK CHECK GOOD. SYSTEM CHECKS NORMAL.

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