Trying to change *MODULE object source library

All,

Is there any (relatively easy) way to change the source library for a
*MODULE object after the module has been compiled and bound into a
program, so that debug can work?

Imagine, for instance, that I have an RPGLE module MOD1 which is
compiled from member MOD1 in source library SRCLIB and is then bound
into service program SRVPGM1.

If I then change the name of source library SRCLIB to SRCLIBARC (as part
of our source archiving process), then when I run debug on SRVPGM1 and
try to look at the source for MOD1, the debugger says that the source
cannot be found.

It's always bugged me that when this message appears, the debugger
doesn't allow me to select the source member (now THAT would be useful).

For an OPM program, I can change the source library held within the
object description using the QLICOBJD API. I guess I can also do this
for the *MODULE object itself, but how can I change the details of
SRVPGM1 to update ITS definition of MOD1 to point to the new source
library?

Is Service Tools the only way?

Thanks,

Rory

p.s. I have asked this question in the past, but there was no useful
answer... :-(