Please describe what was wrong. Otherwise this topic is useless

Sorry for the insanely late reply.
My original issue was that the exported .PSA file contained
all of the animations of the weapon into one .PSA and I could not seperate them. I tried -MD5Anim and using 3DSMax, but that did not work for me either.
I've since come to learn that the problem was my lack of UnrealScript, model importing and Milkshape knowledge. I've now managed to import the .PSK and .PSA into Milkshape, re-group the textures and export them again. The following code, when compiled with UCC -make imported the model and the animations and split them all.
//========================================================================
//Flak Cannon
//========================================================================
//1st Person View
#exec MESH MODELIMPORT MESH=FlakCannon1st MODELFILE=SkeletalMesh\Flak_1st.PSK
#exec MESH LODPARAMS MESH=FlakCannon1st HYSTERESIS=0.00 STRENGTH=0.01 MINVERTS=10.00 MORPH=0.30 ZDISP=0.00
#exec MESH ORIGIN MESH=FlakCannon1st X=0 Y=0 Z=0 YAW=64 PITCH=0 ROLL=0
#exec ANIM IMPORT ANIM=FlakCannonAnims ANIMFILE=MeshAnimation\Flak_1st.PSA COMPRESS=1
#exec MESHMAP SCALE MESHMAP=FlakCannon1st X=1.0 Y=1.0 Z=1.0
#exec MESH DEFAULTANIM MESH=FlakCannon1st ANIM=FlakCannonAnims
//Animation sequences
#EXEC ANIM SEQUENCE ANIM=FlakCannonAnims SEQ=Select STARTFRAME=0 NUMFRAMES=8 RATE=15 COMPRESS=1,00
#EXEC ANIM SEQUENCE ANIM=FlakCannonAnims SEQ=Aim STARTFRAME=8 NUMFRAMES=1 RATE=15 COMPRESS=1,00
#EXEC ANIM SEQUENCE ANIM=FlakCannonAnims SEQ=Idle STARTFRAME=9 NUMFRAMES=15 RATE=15 COMPRESS=1,00
#EXEC ANIM SEQUENCE ANIM=FlakCannonAnims SEQ=Rest STARTFRAME=24 NUMFRAMES=17 RATE=15 COMPRESS=1,00
#EXEC ANIM SEQUENCE ANIM=FlakCannonAnims SEQ=Run STARTFRAME=41 NUMFRAMES=8 RATE=15 COMPRESS=1,00
#EXEC ANIM SEQUENCE ANIM=FlakCannonAnims SEQ=Down STARTFRAME=49 NUMFRAMES=8 RATE=15 COMPRESS=1,00
#EXEC ANIM SEQUENCE ANIM=FlakCannonAnims SEQ=Fire STARTFRAME=57 NUMFRAMES=26 RATE=30 COMPRESS=1,00
#EXEC ANIM SEQUENCE ANIM=FlakCannonAnims SEQ=AltFire STARTFRAME=83 NUMFRAMES=24 RATE=30 COMPRESS=1,00
#exec ANIM DIGEST ANIM=FlakCannonAnims
Thanks for those who helped me
