8che,
I don't know how Boeing presents this information and the OP has not identified his source.
The Airplane Flight Manual (AFM) is the final authority on performance operating limitations and is required per FAR 25.1533(a)(2) to provide only the most limiting weight complying with the landing climb requirement of FAR 25.119 and the approach climb requirement of FAR 25.121(d).
So far your replies have failed to answer the OP's question.
I would be much obliged if you can provide the approach climb limited weight and the landing climb limited weight for the non-normal gear locked-down dispatch configuration.
P.S.
For some mysterious reason the PPRuNe site refuses acces to page 2 of this thread to the Firefox browser on my PC. Someone on another thread recommended to delete all cookies, but that didn't cure the problem. Ideas welcome.