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P3I UPGRADE.  FOUR OF THE LRU-3'S ON OUR TISS STATION AND

HAD THE FOLLOWING PROBLEMS:

{A}	THE FIRST LRU-3 REQUIRED AN ADJUSTMENT TO THE 20MHZ

ALIGNMENT.

{B}	THE NEXT LRU-3 FAILED IN TEST GROUP SIX. A JUMPER WIRE WAS 

BROKEN AND AN ECL ALIGNMENT WAS REQUIRED.

{C}	THE THIRD LRU-3 PASSED PERFORMANCE TESTS BUT REQUIRED

REPLACEMENT OF 2A22, 2A62, AND 2A63 CIRCUIT CARD ASSEMBLIES {CCA,S}

TO FIX 20 MHZ PROBLEMS. WE HAD TO CONSUME CRITICAL CCA'S TO FIX

THIS PROBLEM.

D.	WITH THESE FAILURES, WE MUST MAKE THE DECISION TO RUN EACH

LRU ON OUR TISS STATION TO CORRECT PROBLEMS IN EACH LRU PRIOR TO

SYSTEM INSTALLATION. IN ADDITION TO STRESSING OUR TISS STATION AND

CONSUMING SHOP REPLACEMENT UNIT {SRU} ALREADY IN SHORT SUPPLY THE

P3I ALR-56C LRU-2'S AND LRU-3'S MUST COMPETE WITH UNSERVICEABLE

ELECTRONIC WARFARE ASSETS.

{6}	TO MAINTAIN OUR TISS STATION AVAILABILITY WE NEED HELP IN 

OBTAINING THE FOLLOWING CRITICAL ITEMS TO RETURN THIS TEST STATION		-

TO FULL OPERATION. WE HAVE SIX MICAPS BUT THESE ARE THE CRITICAL




SSGT PICKERING. CCEA. 116

RICK N. PARSONS. COL. CC. 108

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