# SDR AALA201609199037

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 15, 2016
- Submitted: September 20, 2016
- Operation: Air carrier
- Aircraft: [N978UY](https://openairdocs.org/aircraft/N978UY), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 5422
- Aircraft time: 12,699 hours, 5,056 cycles
- System (JASC): [3230 · Landing Gear Retraction/Extension System](https://openairdocs.org/jasc/3230)
- Part: Priority Valve
- Condition: Defective
- Location: Zone 100
- 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/AALA201609199037

## Discrepancy

AIRCRAFT WAS GROUNDED:  ON TAKEOFF RETRACTING THE LANDING GEAR ECAM GEAR DOORS NOT UP.  RECYCLED THE GEAR GOT THE SAME ECAM.  AIRCRAFT RETURNED TO DEPARTURE.  R & R GREEN PRIORITY VALVE IAW AMM 29-11-33-401 LEAK AND OPS CHECKED GOOD.  PERFORMED LANDING GEAR FUNCTIONAL TEST IAW AMM 32-31-00-720-002A WITH NO DEFECTS NOTED.

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