our 29 year old GE JET110 microwave oven finally had a problem.
fuse blown. checked all transformer windings, cap, diode,
magnetron filament. found triac separated from heat sink.

triac tested good electrically, so mechanically re-attached
triac to heat sink (don't ask me how!), replaced fuse, oven
works.

would like to replace triac but cannot find cross reference
for 27X5072. ANY SUGGESTIONS?