120

2250 15 Feb 68

Parity error
PMA = 116332
PMB = 230350 000 343

PMA = 114524
PMB 1205 746 000 020

Switched BALUN Boards
[in?] 1K1 - 1K8 between core 3 & core 2
before this. It appears that the
533 bug has moved with these
boards.

0145 16 Feb 68

Type 30 lite pen giving
many random interrupts. Pulled
R151 from 1Y3. Lite pen will never
give another interrupt.

[D.?.P]

0635 16 Feb 68

533 BUG IS DEAD!

DONA EI TORMENTUM AETERNUM!

Balun board in 1K7 replaced. All others
which had been snapped are in original places.
[signature cut off by scan]