A B737-800 WAS DISPATCHED IN NON COMPLIANCE WITH #2 ENG FAN BLADES REPLACED WITH NO BLADE PREINSPECTION AND NO DOCUMENTATION ON BLADE LOCATION ON DISK.

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ON JUL/TUE/00; WHILE WORKING ACFT XYZ; I WAS ASSIGNED THE JOB OF REPLACING 6 SETS OF FIRST STAGE FAN BLADES ON #1 ENG. AFTER RECEIVING THE BLADES FROM STORES; INSTALLED EACH SET PER MAINT MANUAL (180 DEGS APART). PRIOR TO INSTALLATION; I CHKED ALL BLADES FOR OBVIOUS DEFECTS AND FOUND THEM ACCEPTABLE TO INSTALL PER MAINT MANUAL. I; AFTER INSTALLATION; ATTACHED THE BLADE REF SHEET TO THE JOB CARD WITH THE POSITIONS THEY WERE INSTALLED AND SOLD TO INSPECTION. I DID NOT ENTER THE BLADES IN THE COMPONENT CHANGE SHEET SINCE THEY WERE NOT ROTATABLE PARTS. TODAY (JUL/SAT/00) I DISCOVERED THAT SERIALIZED PARTS ARE ALSO REQUIRED TO BE RECORDED. IT HAS BEEN BROUGHT TO MY ATTN THROUGH DISCUSSION WITH MGMNT THAT THE REF SHEETS FOR BLADE LOCATION I ATTACHED TO THE JOB CARD CANNOT BE FOUND TO VERIFY THE POS OF BLADES. ALSO; WE HAVE DISCOVERED THE BLADES THAT WE INSTALLED DID NOT GO THROUGH RECEIVING INSPECTION. SINCE WE WERE UNAWARE OF THIS; WE DID NOT FILL OUT THE INSPECTION FORM NORMALLY FILLED OUT. WHEN RECEIVING INSPECTION IS BYPASSED; THE INSPECTION FORM WOULD BE SUPPLIED WHEN RECEIVED THROUGH STORES.