I see different output.  AIX 4.3.3, TSM 5.1.

tsm: ORCA>show libr
MMSV->libList: head=31573A28, tail=31574268

Library L3494 (type 349X):
  reference count = 0, online = 1, borrowed drives = 0, update count = 0
   basicCfgBuilt = 1, libInfoBuild = 1, definingPathToLibrary = 0
   addLibPath = 0, driveListBusy = 0
  libvol_lock_id=0, libvolLock_count=0, SeqnBase=0
  Library is shared.
  library extension at 31572A08
  autochanger list:
    dev=/dev/lmcp0, busy=0, online=1

  drive list:
    DRIVE_3590_D0:
      Device Class = 3590,
      RD Capabilities = 00F00000,
      (3590E-C,3590E-B,3590C,3590B),
      WR Capabilities = 00C00000,
      (3590E-C,3590E-B),
      Drive state: EMPTY, Drive Descriptor state = NO PENDING CHANGES,
      online = 1, polled = 0,
      Inquiry String = ,
      Device Type From Inquiry =,
      allocated to (), volume owner is (),
      priorReadFailed = 0, priorWriteFailed = 0, priorLocateFailed = 0,
      update count = 0, checking = 0,
      offline time/date: 00:00:00 1900/00/00
    349X-specific fields:
      devNo=12794240, isScsi=1
      last dismounted volume

Library L3583 (type SCSI):
  reference count = 2, online = 0, borrowed drives = 0, update count = 0
   basicCfgBuilt = 1, libInfoBuild = 0, definingPathToLibrary = 0
   addLibPath = 0, driveListBusy = 0
  libvol_lock_id=0, libvolLock_count=0, SeqnBase=0
  Library is shared.
  library extension at 31572BF8
  autochanger list:
    dev=/dev/smc0, busy=1, online=1

  drive list:
    DRIVE_3580_D0:
      Device Class = LTO,
      RD Capabilities = 00000003,
      (ULTRIUMC,ULTRIUM),
      WR Capabilities = 00000003,
      (ULTRIUMC,ULTRIUM),
      Drive state: UNKNOWN, Drive Descriptor state = NO PENDING CHANGES,
      online = 0, polled = 0,
      Inquiry String = ,
      Device Type From Inquiry =,
      allocated to (), volume owner is (),
      priorReadFailed = 0, priorWriteFailed = 0, priorLocateFailed = 0,
      update count = 0, checking = 0,
      offline time/date: 00:00:00 1900/00/00
      Clean Freq(GB)=-1, Bytes Proc(KB)=0, needsClean=0.
    SCSI-specific fields:
      None

 ===========================================================================
===============

AIX 4.3.3, TSM 4.2.1.9:

tsm: ORCA>show libr
MMSV->libList: head=326BF360, tail=326C1CF0

Library L3494 (type 349X):
  reference count = 0, online = 1, borrowed drives = 0, update count = 0
   driveListBusy = 0
   libvol_lock_id=0, libvolLock_count=0, SeqnBase=0
  Library is shared.
  library extension at 326BE300
  autochanger list:
    dev=/dev/lmcp0, busy=0, online=1

  drive list:
    DRIVE_3590_D0:
      Device Class = 3590,
      RD Capabilities = 00F00000,
      (3590E-C,3590E-B,3590C,3590B),
      WR Capabilities = 00C00000,
      (3590E-C,3590E-B),
      Drive state: EMPTY, Drive Descriptor state = NO PENDING CHANGES,
      online = 1, polled = 0,
      allocated to (), volume owner is (),
      priorReadFailed = 0, priorWriteFailed = 0, priorLocateFailed = 0,
      update count = 0, checking = 0,
      offline time/date: 00:00:00 1900/00/00
    349X-specific fields:
      devNo=12794240, isScsi=1
      last dismounted volume

Library L3583 (type SCSI):
  reference count = 0, online = 0, borrowed drives = 0, update count = 0
   driveListBusy = 0
   libvol_lock_id=0, libvolLock_count=0, SeqnBase=0
  Library is shared.
  library extension at 326BE7A0
  autochanger list:
    dev=/dev/smc0, busy=0, online=0

  drive list:
    DRIVE_3580_D0:
      Device Class = LTO,
      RD Capabilities = 00000003,
      (ULTRIUMC,ULTRIUM),
      WR Capabilities = 00000003,
      (ULTRIUMC,ULTRIUM),
      Drive state: UNKNOWN, Drive Descriptor state = NO PENDING CHANGES,
      online = 0, polled = 0,
      allocated to (), volume owner is (),
      priorReadFailed = 0, priorWriteFailed = 0, priorLocateFailed = 0,
      update count = 0, checking = 0,
      offline time/date: 00:00:00 1900/00/00
      Clean Freq(GB)=-1, Bytes Proc(KB)=0, needsClean=0.
    SCSI-specific fields:
      None