# SDR 3EJA2024060500003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 28, 2024
- Submitted: June 5, 2024
- Operation: Air carrier
- Aircraft: [N932JS](https://openairdocs.org/aircraft/N932JS), registered now
- Make and model: Cessna 680CE
- Aircraft serial: 6800135
- Aircraft time: 7,083 hours, 3,962 cycles
- System (JASC): [4900 · Airborne Auxiliary Power Unit (APU) System](https://openairdocs.org/jasc/4900)
- Part: Apu
- Part number: RE100CS
- Part serial: P273
- Condition: Smoke
- Location: Zone 100
- Part time: 5,396 hours, 5,666 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/3EJA2024060500003

## Discrepancy

AFTER LEVELING OF AT FL450 WE NOTICED SMOKE STARTED TO FILL THE CABIN, RAN CHECKLIST AND SMOKE CONTINUED. SMOKE DISAPPEARED AFTER ABOUT 10 MINUTES OF DESCENDING.    R/R WATER SEPARATOR. APU BEING REMOVED FOR REPAIR

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