# SDR 3EJA202601150007

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 18, 2025
- Submitted: January 15, 2026
- Operation: Air carrier
- Aircraft: [N839JS](https://openairdocs.org/aircraft/N839JS), registered now
- Make and model: Cessna 560XL
- Registry model: [Cessna 560XL](https://openairdocs.org/model/cessna-560xl) (OpenAirDocs)
- Aircraft serial: 5605356
- System (JASC): [3400 · Navigation System](https://openairdocs.org/jasc/3400)
- Part: Static Line
- Condition: Faulted
- Location: Zone 100
- Stage of operation: DE
- How discovered: V
- Nature of condition: S
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/3EJA202601150007

## Discrepancy

WE LOST THE CAPTAIN AND FO’S ALTITIMER, ALTITUDE SELECT AT NIGHT IN MOUNTAINOUS TERRAIN.  PURGED PILOT AND COPILOT STATIC SYSTEM, FOUND PILOT SIDE FITTING ON THE MOISTURE DRAIN VALVE LOOSE.

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