# SDR J7SA20161218001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 18, 2016
- Submitted: December 26, 2016
- Operation: Air carrier
- Aircraft: [N405FX](https://openairdocs.org/aircraft/N405FX), registered now
- Make and model: Emb EMB-545
- Registry model: [EMB EMB-545](https://openairdocs.org/model/embraer-s-a-emb-545) (OpenAirDocs)
- Aircraft serial: 55010009
- Aircraft time: 340 hours, 231 cycles
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Controller
- Condition: Malfunctioned
- Location: Cabin Pressure
- 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/J7SA20161218001

## Discrepancy

AIRCRAFT FAILED TO PRESSURIZE AFTER TAKEOFF.  PASSENGER OXYGEN MASKS DROPPED AND CREW RAN THE EMERGENCY CHECKLIST. DIVERTED AND DECLARED AN EMERGENCY.  LANDED WITHOUT INCIDENT.  REPLACED PSC UNIT. GROUND AND MVF OPS CHECKED GOOD.

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