# SDR CA190618003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 27, 2019
- Submitted: August 17, 2020
- Operation: General aviation
- Make and model: Bombdr DHC8400
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Unknown
- Condition: Malfunctioned
- Location: Cabin Pressure
- Stage of operation: NR
- 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/CA190618003

## Discrepancy

(CAN) AIR TURN BACK PERFORMED DUE TO UNCONTROLLABLE RATE OF CABIN CLIMB/DESCENT. NO FAULT CODES FOUND. MULTIPLE COMPONENTS WERE REPLACED (CABIN PRESSURE CONTROLLER, CABIN PRESSURE CONTROL PANEL, CABIN INDICATION MODULE & OUTFLOW VALVE). AIRCRAFT IS NOW BACK INTO SERVICE. (TC# 20190618003)

---
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.