# SDR 4EZF202502150002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 9, 2025
- Submitted: February 15, 2025
- Operation: Air carrier
- Aircraft: [N304AG](https://openairdocs.org/aircraft/N304AG), registered now
- Make and model: Saab 340B
- Registry model: [Saab 340B](https://openairdocs.org/model/saab-340b) (OpenAirDocs)
- Aircraft serial: 418
- Aircraft time: 44,725 hours, 52,416 cycles
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Controller
- Part number: 21179662
- Part serial: 102341
- Condition: Fault Message
- Location: Zone 200
- Stage of operation: IN
- How discovered: C
- Nature of condition: L, J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/4EZF202502150002

## Discrepancy

CABIN PRESS PNL SHOWS FAULT WHEN DETECTED TO 'AUTO' DURING TEST. - MTX ACTION: PERFORMED TROUBLESHOOTING AND REPLACED PRESSURE CONTROLLER IAW SAAB340 AMM 21-31-19-04 OPERATIONAL TEST SATISFACTORY.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.