PARTS BULLETINS PMC-97-09 02-MAY-00 1997 1/2 SHIFT CHANGES FOR BRAVO I/II/III & BLACKHAWK PMC-97-10 02-MAY-00 BRAVO III/BLACKHAWK LOWER PINION GEAR SHIMMING TOOL POSITION POB-96-04 25-FEB-03 PROPELLER SHAFT HARDWARE REMOVAL POB-96-05 25-FEB-03 POWER TRIM VALVE BODY/GEAR ASSEMBLY 392-7734