A FOKKER 100 WAS DISPATCHED IN NON COMPLIANCE WITH AN INTEGRATED AUDIO PANEL REPLACED AND NOT TESTED PER THE MAINT MANUAL PROC.

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THIS LETTER CONCERNS MY INCIDENT THAT TOOK PLACE AT ZZZ ON MAY/XA/99. I WAS WORKING ON AN F100 ACFT; AND WAS REPLACING THE AVIONICS SWITCHING PANEL DUE TO A PROB WITH THE COCKPIT VOICE RECORDER/FLT DATA RECORDER ON-OFF SWITCH. I WAS UNABLE TO LOCATE THE PAPERWORK IN THE ACR MAINT MANUAL CONCERNING THIS PART'S REPLACEMENT. THIS COMPONENT HAS SWITCHES ON IT WHICH AFFECT MULTIPLE ACFT SYS/ATA CHAPTERS. I REMOVED ACFT ELECTRICAL PWR; AND REPLACED THE PART. I THEN APPLIED PWR; AND PERFORMED CURSORY TESTS ON THE PART'S MANY SWITCHES. I ALSO PERFORMED TESTS ON THE COCKPIT VOICE RECORDER/FLT DATA RECORDER SYS WHICH I LOCATED IN THEIR RESPECTIVE AREAS IN THE MAINT MANUAL UNDER CHAPTERS 23 AND 31. I SIGNED THE LOGBOOK; AND THE PLANE DEPARTED AS SCHEDULED. THE PART I INSTALLED ON MY ACFT; HAD BEEN REMOVED FROM ANOTHER F100 THAT WAS 'OTS' AT THE HANGAR FOR ANOTHER PROB. WHEN THE REPLACEMENT PART ARRIVED THE NEXT DAY FOR THAT PLANE; THE MECHS WERE ABLE TO LOCATE THE MAINT MANUAL PAPERWORK FOR THE PART. ONE OF THE PIECES OF TEST GEAR REQUIRED FOR ITS REPLACEMENT; WAS NOT AVAILABLE; SO THE PART WAS PLACED ON ORDER. AT THIS TIME; AN FAA AUDIT WAS BEING CONDUCTED; AND THEY INQUIRED HOW THE SAME PART WAS REPLACED THE DAY BEFORE WITHOUT THAT PIECE OF TEST GEAR; AND HERE I AM. AS STATED ABOVE; THERE ARE MULTIPLE SYS AFFECTED BY THIS PANEL. MY SOLUTION TO THIS IS TO PLACE THE REMOVAL/REPLACEMENT PAPERWORK FOR THIS PANEL IN EACH OF THE ATA CHAPTERS AFFECTED BY THIS COMPONENT.