A Bombardier Q400 displays error code 938 on the Central Diagnostics System(CDS), which is attributed to turbomachinery chip detector. An examination shows debris in the detector hitch which is collected and sent for further analysis.
Meanwhile, while on a flight the crew experiences an automatic engine shutdown with the following codes and their corresponding explanations showing on the CDS:
- 732-NH Speed Sensing (Connectors Eng. controls Harness NH sensor A EEC (Freq In))
- 907- Engine Flameout
- 915-Replace Main Oil Filter
- 938-Turbo-machinery Chip Detected
Has anyone experienced similar problems or have any lead on the same?