# SDR 2023FA0000040

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 20, 2023
- Submitted: January 23, 2023
- Operation: General aviation
- Aircraft: [N388TA](https://openairdocs.org/aircraft/N388TA), registered now
- Make and model: Cessna 208B
- Registry model: [Cessna 208B](https://openairdocs.org/model/cessna-208b) (OpenAirDocs)
- Aircraft serial: 5127
- Aircraft time: 4,789 hours, 8,109 cycles
- Engine: Pwa PT6*
- Engine time: 4,789 hours, 8,109 cycles
- System (JASC): [7810 · Engine Collector/Tailpipe/Nozzle](https://openairdocs.org/jasc/7810)
- Part: Exhaust Duct
- Part number: 2654008206
- Condition: Blocked
- Location: Engine
- Part time: 2,850 hours, 4,560 cycles
- Stage of operation: CL
- 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/2023FA0000040

## Discrepancy

SECONDARY EXHAUST DUCT CRACKED AND PARTIALLY BLOCKED EXHAUST DUCT CAUSING EXHAUST GAS TO ENTER CABIN ALONG WITH SMOKE FROM MELTING DEBRIS..  PROBABLE CAUSE COLD WATER ON HOT EXHAUST ( THIS IS A SEAPLANE ) DURING LANDING AND TAKEOFF.

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