# SDR HAEA201100222

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 26, 2011
- Submitted: September 28, 2011
- Operation: Air carrier
- Aircraft: [N314TW](https://openairdocs.org/aircraft/N314TW), registered now
- Make and model: Amd FALCON20
- Aircraft serial: 314
- Aircraft time: 17,872 hours, 14,124 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Control Box
- Part number: 133007
- Part serial: 747
- Condition: Malfunctioned
- Location: Cabin Pressure
- Part time: 353 hours
- 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/HAEA201100222

## Discrepancy

ACFT DID NOT PRESSURIZE.  ACFT DECLARED EMERGENCY AND RETURNED TO DEPARTURE. LANDING NORMAL.  MX EVALUATING DISCREPANCY WITH AUTO PRESSURE SYS.

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