20-Jun-74  1645  [DOER]  FATAL ERROR 154  ;BAD RETRIEVAL ON .DAT FILE
20-Jun-74  1701  [DOER]  FATAL ERROR 154  ; "      "    
01-Jul-74  1944  CHK     FATAL ERROR 440  ;NO DAT FILE--SYSTEM DOWN ALL WEEKEND
14-Jul-74  2100  [DOER]  FATAL ERROR 214  ;NO DAT FILE FOR 30-JUNE (WANTED TO DELETE IT)
...
15-Jul-74  1319  [DOER]  FATAL ERROR 214
24-Jul-74  1441  [DOER]  FATAL ERROR 112  ;.TXT FILE DELETED AFTER NS PARITY ERROR
25-Jul-74  0916  [DOER]  FATAL ERROR 150  ;.DAT FILE GOT BAD TRACK. DSK INPUT ERROR.
...
25-Jul-74  0930  NS      FATAL ERROR 520
...
25-Jul-74  1049  NS      FATAL ERROR 520
25-Jul-74  1102  [DOER]  FATAL ERROR 150
03-Aug-74  2102  CHK     FATAL ERROR 432
17-Aug-74  2104  CHK     FATAL ERROR 432