# SDR 3EJA20260318002

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 23, 2026
- Submitted: March 18, 2026
- Operation: Air carrier
- Aircraft: [N864JS](https://openairdocs.org/aircraft/N864JS), registered now
- Make and model: Cessna 560XL
- Registry model: [Cessna 560XL](https://openairdocs.org/model/cessna-560xl) (OpenAirDocs)
- Aircraft serial: 5605242
- Aircraft time: 7,277 hours, 7,257 cycles
- System (JASC): [2150 · Cabin Cooling System](https://openairdocs.org/jasc/2150)
- Part: Bypass Valve
- Part number: 2724128714
- Part serial: 11AUH594
- Condition: Failed
- Location: Zone 100
- Part time: 7,277 hours, 7,257 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/3EJA20260318002

## Discrepancy

CABIN TEMPERATURE UNCONTROLLABLE.  R&R LOW LIMIT BYPASS VALVE

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