# SDR DALA2025011000210

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 7, 2025
- Submitted: January 10, 2025
- Operation: Air carrier
- Aircraft: [N336NW](https://openairdocs.org/aircraft/N336NW), registered now
- Make and model: Airbus A320-212
- Registry model: [Airbus A320-212](https://openairdocs.org/model/airbus-industrie-a320-212) (OpenAirDocs)
- Aircraft serial: 355
- Aircraft time: 94,070 hours, 43,434 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Pressure Switch
- Condition: Faulted
- Location: Zone 200
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2025011000210

## Discrepancy

SHIP 3236 DISC: AFTER SHUTDOWN FA'S REPORTED ALL 4 DOORS SHOWED CABIN PRESSURE WARNING LIGHTS WERE ILLUMINATED AND FLASHING. C/A: PERFORMED OPERATIONAL TEST OF CABIN OVERPRESS. WARNING SYSTEM AS PER A320 TSM 52-73-00-810-801-A. CABIN PRESSURE WARNING LIGHT FALSHES CONTINUOUSLY. SUSPECT CABIN PRESS. SWITCH (A.N 281841). R/R THE CABIN PRESSURE DETECTION PRESSURE-SWITCH IAW A320 AMM 52 -73. PERFORMED FUNCTION TESTS IAW A320 AMM 52-73 AND 34-21, ALL TESTS PASSED. A/C OK FOR SVC. (LP: 6010982)

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