# SDR SWIA2019110846728

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 8, 2019
- Submitted: November 8, 2019
- Operation: Air carrier
- Aircraft: [N821SK](https://openairdocs.org/aircraft/N821SK), registered now
- Make and model: Cndair CL6002D24
- Aircraft serial: 15109
- Aircraft time: 33,608 hours, 21,090 cycles
- System (JASC): [2132 · Cabin Pressure Indicator](https://openairdocs.org/jasc/2132)
- Part: Indicator
- Condition: Erratic
- Location: Cabin Altitude
- Stage of operation: CL
- How discovered: O
- Nature of condition: N
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWIA2019110846728

## Discrepancy

CLIMBING THROUGH 8,000 FEET CABIN ALTITUDE INDICATED ZERO, CABIN RATE INDICATED ZERO. CABIN DIFFERENTIAL INDICATED 4.8 PSI. AIRCRAFT RATE OF CLIMB WAS GREATER THAN 2,500 FEET PER MINUTE.PERFORMED OPERATION TEST AND FUNTIONAL BITE TEST OF THE CABIN PRESSURE CONTROLLER IAW AMM. NO DEFECTS FOUND. CABIN PRESSURE CONTROLLER TEST SATISFACTORILY.

---
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.