# SDR DALA2021020200632

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 13, 2021
- Submitted: February 2, 2021
- Operation: Air carrier
- Aircraft: [N321US](https://openairdocs.org/aircraft/N321US), registered now
- Make and model: Airbus A320-211
- Registry model: [Airbus A320-211](https://openairdocs.org/model/airbus-industrie-a320-211) (OpenAirDocs)
- Aircraft serial: 262
- Aircraft time: 86,430 hours, 39,897 cycles
- System (JASC): [5270 · Door Warning System](https://openairdocs.org/jasc/5270)
- Part: Switch
- Condition: Malfunctioned
- Location: Door
- Stage of operation: IN
- How discovered: O
- Nature of condition: N
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2021020200632

## Discrepancy

SHIP 3221 ALL 4 DOORS SHOW RED PRESSURE LIGHT AT BLOCK END. REPEAT WRITE UP. CORRECTIVE ACTION: R/R CABIN PRESSURE DETECTION SWITCH PER A320 AMM 52-73 OPS CHECK GOOD. (7526744)

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