# SDR CA030818005

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 18, 2003
- Submitted: September 4, 2003
- Operation: General aviation
- Make and model: Doug B-26C
- Registry model: [Doug B-26C](https://openairdocs.org/model/douglas-b-26c) (OpenAirDocs)
- Aircraft time: 3,920 hours
- Engine: Pwa R280079
- System (JASC): [8530 · Reciprocating Engine Cylinder Section](https://openairdocs.org/jasc/8530)
- Part: Exhaust Valve
- Condition: Failed
- Location: Nr 3 Cylinder
- Stage of operation: AP
- How discovered: O
- Nature of condition: B
- Precautionary procedure: E
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA030818005

## Discrepancy

(CAN) ON APPROACH TO WHITE SMOKE WAS OBSERVED EXITING THE LT INBOARD EXHAUST STACK. THE ENGINE WAS SHUT DOWN AND SECURED, THE A/C LANDED WITHOUT INCIDENT. UPON INVESTIGATION THE NR 3 CYL. EXHAUST VALVE STEM HAD SEVERED AND WAS INGESTED INTO THE CYL. OIL SCREENS WERE CHECKED AND CYL. CHANGED A/C RETURNED TO SERVICE.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.