# SDR DXTA2023061288480

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 12, 2023
- Submitted: June 12, 2023
- Operation: Air carrier
- Aircraft: [N353QS](https://openairdocs.org/aircraft/N353QS), registered now
- Make and model: Emb EMB-505
- Registry model: [EMB EMB-505](https://openairdocs.org/model/embraer-executive-emb-505) (OpenAirDocs)
- Aircraft serial: 50500263
- Aircraft time: 6,390 hours, 5,039 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: CL
- How discovered: V
- Nature of condition: S
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DXTA2023061288480

## Discrepancy

COCKPIT/CABIN NOISE: CLIMBING ABOVE 38000 FT THE CABIN CLIMB RATE BEGAN TO SPIKE AND DESCEND BETWEEN PLUS/MINUS APPROXIMATELY 1800 FT PER MIN FOLLOWED BY A LOUD AIR NOISE ON THE COPILOT'S SIDE. WE DONNED THE MASKS AND DESCENDED AND RETURN TO OUR DEPARTURE AIRPORT.

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