We see this quite frequently in log home roofs with porches for example.
Metal roof pitch transition flashing.
X 1 585 in model 703242 99 49.
The roof plane goes from one pitch to a lower pitch.
See the illustration below.
Fits a36 c4 5 4 steel c channel 1 584 in.
Pitch transitions are a common roof detail.
Or it may be an optical illusion in the photos.
Are you getting water in at the transition that you know of.
The similar gambrel flashing is used where the lower pitch is steeper than the upper.
This is a fairly common roof detail.
A roof pitch transition is a line in the roof plane that changes pitch.
The transition flashing prevents leakage at the point where two different roof pitches meet.
But yes that horizontal part of the flashing should have some pitch to it.