# SDR 3EJA2026071300402

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 2, 2026
- Submitted: July 13, 2026
- Operation: Air carrier
- Aircraft: [N780JS](https://openairdocs.org/aircraft/N780JS), registered now
- Make and model: Cessna 525B
- Registry model: [Cessna 525B](https://openairdocs.org/model/cessna-525b) (OpenAirDocs)
- Aircraft serial: 525B0043
- Aircraft time: 14,159 hours, 9,638 cycles
- System (JASC): [2131 · Cabin Pressure Controller](https://openairdocs.org/jasc/2131)
- Part: Controller
- Part number: 991240913
- Part serial: 1002
- Condition: Failed
- Location: Zone 100
- Part time: 668 hours, 429 cycles
- Stage of operation: CL
- How discovered: V
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/3EJA2026071300402

## Discrepancy

PRESSURE CONTROLLER WENT BLANK IN FLIGHT.   R & R PRESSURIZATION CONTROLLER.

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