# SDR AALA201608019001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 26, 2016
- Submitted: August 1, 2016
- Operation: Air carrier
- Aircraft: [N563UW](https://openairdocs.org/aircraft/N563UW), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 5368
- Aircraft time: 12,342 hours, 4,961 cycles
- Engine: Iae V2533A5
- Engine time: 16,436 hours, 5,899 cycles
- System (JASC): [7532 · Compressor Bleed Valve](https://openairdocs.org/jasc/7532)
- Part: Actuator
- Part number: 1777MK3
- Part serial: SAD09800
- Condition: Faulted
- Location: Nr 1 Engine
- Part time: 16,398 hours, 5,886 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: R, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201608019001

## Discrepancy

FLIGHT CREW REPORTED RECIEVEING AN ENGINE SENSOR FAILURE FAULT FOLLOWED BY A COMPRESSOR STALL ECAM MESSGAGE ON THE NR 1 ENGINE DURING CLIMB.  THE FLIGHT CREW DECLARED AN EMERGENCY AND RETURNED TO DEPARTURE.  THE AIRCRAFT LANDED SAFELY WITHOUT FURTHER INCIDENT.  AIRCRAFT WAS GROUNDED.  MAINTENACE REPLACED THE NR 1 EEC IAW AMM 73-22-34 AND REPLACED THE 2.5 MASTER BLEED ACTUATOR IAW AMM 75-31-42.  A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED IAW AMM 71-00-71.

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