When an aircraft operates on gravel runways and experiences compressor stall, what is the first condition a mechanic would investigate?

In cases where an aircraft operates on gravel runways, the likelihood of foreign object damage to engine components increases significantly. When a compressor stall occurs, the first condition a mechanic would typically investigate is the corrosion of the compressor section. Corrosion can be exacerbated by the ingestion of dust and debris from gravel surfaces, which may contaminate the engine and lead to degradation of its internal components. It's crucial for mechanics to assess the compressor section for corrosion as it can directly affect airflow, efficiency, and the overall operation of the engine.

Ingestion of abrasive particles can lead to wear and tear, ultimately contributing to performance issues like compressor stalls. While other factors such as fuel blockage, electrical failures, or blade misalignment might also cause issues, the prime concern in this scenario is often related to the physical condition of the compressor influenced by the operational environment. This makes investigating for signs of corrosion a priority.