You stated that you had 0.72v on one end of R414 and 0v on the other end. Did you have 0v on the end connected to pin 6 of the op-amp?
If the op-amp is good, you should not see positive voltage on pin 7. With the inverting input at 0v and the non-inverting input at -13v, the output should be negative voltage.
If the op-amp is good, you should not see positive voltage on pin 7. With the inverting input at 0v and the non-inverting input at -13v, the output should be negative voltage.
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