# SDR AALA202307280598

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 2, 2023
- Submitted: July 28, 2023
- Operation: Air carrier
- Aircraft: [N106NN](https://openairdocs.org/aircraft/N106NN), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 5932
- Aircraft time: 31,868 hours, 6,537 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Pump
- Part number: 4205401
- Part serial: 42054015720
- Condition: Overheated
- Location: Zone 400 - Nac/P
- Part time: 31,863 hours, 6,536 cycles
- Stage of operation: CR
- How discovered: V
- Nature of condition: M, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202307280598

## Discrepancy

AIRCRAFT WAS GROUNDED: AN EMERGENCY WAS DECLARED AND THE AIRCRAFT DIVERTED PHX. GREEN HYDRAULIC SYSTEM #1 RESERVOIR OVERHEAT AND GREEN HYDRAULIC SYSTEM LOW PRESSURE MESSAGES DISPLAYED. AIRCRAFT LANDED SAFELY AT PHX WITHOUT FURTHER INCIDENT. **SUPPLEMENTAL REPORT FOR AALA202306060598: MAINTENANCE REPLACED #1 ENGINE DRIVEN HYDRAULIC PUMP PER AMM 29-11-51 AND ACCOMPLISHED A SATISFACTORY LEAK / OPERATIONAL CHECK. ** (CLOSED)

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