That looks more like a puncture from above than a leak or water problem.  

Do I have to rip off the sealing now to identify any punctured tubing issue?

A fee days later I saw the side of the stucco garage where he left a car transmission laying there that punctured a hole in the side of the wall.

if  you notice water coming out of ceiling.. take a screwdriver and puncture a small hole,, maybe several.. grab buckets and let the water seep out..a small puncture hole is easier to fix than a entire ceiling and once it starts to leak it doesn't take long..If it's near a ceiling light fixture watch out !! 

The little teeth went through my jeans and left 4 nice, bleeding, puncture wounds.Suddenly the HOA president transformed from community dictator to my best buddy.

I recently found a company in Washington state that sells drywall tape that is already textured (you can buy it smooth as well) that cannot be punctured - so it can be used instead of patching with drywall and mud - and look invisible when paint is applied over it. 

Most who create an LLC don't maintain it thus the corporate veil is punctured.

I had a few trees fall on a house, punctured the roof, damaged some framing, water poured in, ... tenant never left while repairs were done. 

The ugly crap house in my neighborhood is up through hubzu The losers who lived in the house previously had a tarp over a tree puncture on the roof for over a year and the house is completely trashed.

I have 4 puncture wounds in my feet, a puncture wound on my hand, 3 scars and a chipped vertebrae and I got them all before the age of 19.