# SDR AALA202010129018

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 9, 2020
- Submitted: October 12, 2020
- Operation: Air carrier
- Aircraft: [N147AA](https://openairdocs.org/aircraft/N147AA), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6802
- Aircraft time: 15,513 hours, 5,855 cycles
- System (JASC): [2910 · Hydraulic System, Main](https://openairdocs.org/jasc/2910)
- Part: Warning Message
- Condition: False Activation
- Location: Hyd System
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202010129018

## Discrepancy

AIRCRAFT WAS GROUNDED.  HYD B SYS LO PR ECAM 3 MINUTES AFTER DEPARTURE. AN EMERGENCY WAS DECLARED AND THE AIRCRAFT RETURNED TO MIA WHERE IT LANDED SAFELY WITHOUT FURTHER INCIDENT.  ACCOMPLISHED SYSTEM OPERATIONAL CHECK OF HYDRAULIC B SYSTEM.  HYDRAULIC QUANTITY AND PRESSURE WERE NORMAL WITH FLIGHT CONTROL RESPONSE AND PRESSURE SYSTEM CHECKS, PER AMM 29-12-51.  NO ECAM MESSAGES NOTED, AIRCRAFT OK FOR SERVICE.

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