# SDR DALA2020121604123

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 27, 2020
- Submitted: December 16, 2020
- Operation: Air carrier
- Aircraft: [N317DN](https://openairdocs.org/aircraft/N317DN), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 7373
- Aircraft time: 10,549 hours, 5,248 cycles
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Pressure Switch
- Condition: Defective
- Location: Doors
- Stage of operation: TX
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2020121604123

## Discrepancy

AFTER PULLING INTO THE GATE, ECAM OVER PRESSURIZATION WARNING FOR 30 SECONDS.  ALL PAX DOORS DISPLAYED OVER PRESSURIZATION LIGHT.  CORRECTIVE ACTION: REMOVED AND REPLACED CABIN PRESSURE DETECTION PRESSURE SWITCH, PER A321 AMM 52-73-12.  REQUIRES FUNCTIONAL AND LEAK TESTS, LEAK AND FUNCTIONAL TEST OK, PER A321 AMM 52-73.

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