# SDR CA001106019

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 28, 2000
- Submitted: January 19, 2001
- Operation: Air carrier
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft time: 22,074 hours
- Engine: Iae V2527A5
- System (JASC): [7830 · Engine Thrust Reverser](https://openairdocs.org/jasc/7830)
- Part: Control Unit
- Part number: TY154024
- Condition: Failed
- Location: Thrust Reverser
- Part time: 21,407 hours, 6,813 cycles
- Component: Thrust Reverser, Iae, V2527A5
- Stage of operation: CL
- 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/CA001106019

## Discrepancy

(CAN) FLT 581 CUN TO YYZ WAS ON CLIMB FROM CANCUN AIRPORT EN ROUTE TO YYZ WHEN AN ECAM MESSAGE ENG 1 REV PRESSURIZED APPEARED.THE FLIGHT CREW DECLARED AN EMERGENCY AND RETURNED TO CANCUN AIRPORT. THE CAPTAIN CONTACTED MAINTENANCE OPERATIONS CONTROL FOR ASSISTANCE. THE THRUST REVERSER WAS DEACTIVATED AS PER MEL 78-30-01. THE AIRCRAFT RETURNED TO YYZ. TROUBLE SHOOTING OF THE THRUST REVERSER IDENTIFIED THE T/ R HYDRAULIC CONTROL UNIT (HOU) AS DEFECTIVE. THE HCU WAS REPLACED 30 OCT 2000, AND TESTED SERVICEABLE. A TEARDOWN REPORT HAS BEEN REQUESTED FOR THE HCU.

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