# SDR SWIA201910246610

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 24, 2019
- Submitted: October 24, 2019
- Operation: Air carrier
- Aircraft: [N269SY](https://openairdocs.org/aircraft/N269SY), registered now
- Make and model: Emb ERJ 170-200 LR
- Registry model: [EMB ERJ 170-200 LR](https://openairdocs.org/model/embraer-s-a-erj-170-200-lr) (OpenAirDocs)
- Aircraft serial: 17000727
- Aircraft time: 3,736 hours, 2,284 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Pressure Switch
- Condition: Malfunctioned
- Location: Cabin Pressure
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: G
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWIA201910246610

## Discrepancy

AT 35,000 FEET, CABIN ALT HI WARNING MESSAGE FLICKERED ON THEN EXTINGUISHED WITH NO CHANGE OF CABIN PRESSURE. ALL MASKS IN CABIN DROPPED. FLIGHT # 4155 CLOSED.  REMOVED AND REPLACED ALTITUDE PRESSURE SWITCH.

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