Originally Posted by
flyforever1970
The only reason there aren't more MEL's is because the recall POS almost never works right so you never know what is NOT working correctly.
I’ve flown every model from the -100 through the -900ER. The bane of Master Caution system, I found was the Cap remaining stuck causing the light to remain illuminated. The cure was remove the Cap, clean out the grit… and problem solved. Although, I’ve had Caps fly out of the panel due to energetic springs. Usually disappear to the abyss in the cockpit… never to be retrieved until the next heavy check.
Now from the NG on up, I’ve had more nuisance PSEU warnings after engine start. Now that’s a Rube Goldberg system.