Oil Pan Gasket Replacement

My car has been parked in my garage for nine days. It has not leaked from any location. I took a close up look today and found that the grease on the oil pan and transmission pan is not wet. It appears to merely be the accumulation of 80K miles and 53 years of service. I also checked the center arm joints. The seals were in poor condition, but there was plenty of fresh grease present, and they don't have any play, so no need to drop the center arm. I cleaned all of the surfaces and I'm going to cancel my plans to replace the oil pan gasket.
Thanks for the info and advice.