# SDR 3EJA20250609001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 6, 2025
- Submitted: June 9, 2025
- Operation: Air carrier
- Aircraft: [N869JS](https://openairdocs.org/aircraft/N869JS), registered now
- Make and model: Cessna 560XL
- Registry model: [Cessna 560XL](https://openairdocs.org/model/cessna-560xl) (OpenAirDocs)
- Aircraft serial: 5605159
- Aircraft time: 7,898 hours, 6,379 cycles
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Knob
- Condition: Out Of Position
- Location: Press Controller
- Part time: 2,173 hours, 1,354 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: W, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/3EJA20250609001

## Discrepancy

CABIN PRESSURE CONTROLLER WAS CLIMBING FASTER THAN IT SHOULD AND CABIN WAS NOT PRESSURIZING. MAINTENANCE FOUND PRESSURE SOURCE KNOB CLOCKED WRONG. CLOCKED KNOB CORRECTLY. OPS CK GOOD

---
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.