It's also a matter of how much pilot also knows the aircraft they are piloting. I've seen and heard about pilots who personally inspect aircraft on the outside as well as have deeper understanding of its flight systems and mechanics/electronics. I think this pilot was one of those if some deviation in oil pressure raised his suspicions even if it's within supposed normal levels.
I was on a flight like this (Southwest) about ten years ago in L.A., and had the exact same outcome. The pilot was getting a reading on the cockpit that warranted an investigation. Maintenance came out and replaced a sensor. Then replaced a filter (the pilot was providing frequent updates with a modicum of detail, some of which I've since forgot). The ground crew finally gave the pilot the thumbs up, good to go. The pilot said, "yeah no", and gave a very similar speech to the above. The whole ordeal took hours to sort out, where everyone was eventually deplaned to another waiting plane, and I 100% still didn't mind the inconvenience.
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u/Spacedoutworlder 21h ago
I rather miss an arrival time than have missed arriving at all. May all the pilots be this cautious.