# SDR AALA201712019019

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 30, 2017
- Submitted: December 1, 2017
- Operation: Air carrier
- Aircraft: [N116AN](https://openairdocs.org/aircraft/N116AN), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 6070
- Aircraft time: 12,996 hours, 2,650 cycles
- System (JASC): [3240 · Landing Gear Brake System](https://openairdocs.org/jasc/3240)
- Part: Servo Valve
- Part number: E213300001
- Part serial: 12123
- Condition: Warning Message
- Location: Mlg
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201712019019

## Discrepancy

AIRCRAFT WAS GROUNDED: AFTER GEAR EXTENSION, RECEIVED ECAM MESSAGE ON BRAKES ALTERNATE LEFT RELEASED, ALTERNATE LEFT BRAKE INOPERABLE. MAINTENANCE TROUBLE SHOT PER TSM 32-43-00-810-824-A FOR BRAKE SERVO VALVE MOTOR LEFTHAND AS PER M/M 32-43-35 AND PERFORMED SUCCESSFUL OPERATIONAL CHECKS, NO LEAKS NOTED.

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