# SDR 3SRA20210922001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 2, 2021
- Submitted: September 22, 2021
- Operation: Air carrier
- Aircraft: [N176US](https://openairdocs.org/aircraft/N176US), registered now
- Make and model: Raythn HAWKER900XP
- Aircraft serial: HA0029
- Aircraft time: 4,908 hours, 3,352 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Pressure System
- Part number: 1305305
- Part serial: 114C0086
- Condition: Inoperative
- Location: Cockpit
- Part time: 4,908 hours, 3,352 cycles
- Stage of operation: TO
- How discovered: C
- Nature of condition: P
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/3SRA20210922001

## Discrepancy

AFTER TAKEOFF CREW REPORTED THAT THE AIRCRAFT WAS NOT PRESSURIZING.  PIC RETURNED TO AIRPORT AND LANDED WITH NO PROBLEMS.

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