<s>
Problem-Solving	B-Application
Group	I-Application
(	O
PSG	O
)	O
is	O
a	O
team	O
of	O
problem	O
management	O
and	O
technical	O
support	O
staff	O
that	O
is	O
formed	O
to	O
investigate	O
and	O
diagnose	O
a	O
recurring	O
IT	O
problem	O
.	O
</s>
<s>
The	O
concept	O
of	O
the	O
Problem-Solving	B-Application
Group	I-Application
was	O
introduced	O
in	O
ITIL	O
Service	O
Operation	O
2007	O
but	O
was	O
removed	O
from	O
ITIL	O
Service	O
Operation	O
2011	O
.	O
</s>
<s>
The	O
ITIL	O
Service	O
Operation	O
manual	O
describes	O
the	O
purpose	O
of	O
a	O
Problem-Solving	B-Application
Group	I-Application
as	O
follows	O
:	O
</s>
