What was found
AFTER NDT INSPECTION PER EA 5310-04554 REV C OP 007 CRACKS FOUND AT LH #1 WINDOW FRAME (REF: AAR NR 100013256) ECRA 5610-01552. DIP PER ABOVE REQUIREMENTS, NOTE: AIRCRAFT CURRENTLY HAS 15458 TC (49900-15458 = 34442) (50000- 15458 = 34542) WORK PERFORMED IAW EA 240419 REV: P1, P2, P3, P4, P5, IR AND EC/ DIP REQUIRED PER ECRA 5610-01552 PART 1 STEP 2 - AFTER THE RA# 5610-01552 - REPAIRED THE L/H WINDOW FRAME. PERFORM AN INSPECTION OF THE LEFT-HAND #1 WINDOW FRAME C-D POST. REPAIR ON AIRCRAFT N79521 IAW PART 2 OF THE LATEST REVISION OF DIP PER ABOVE REQUIREMENTS DIP 56-DIP THIS ITEM MUST BE DESIGNATED AS A MAJOR REPAIR PER ECRA 5610-01552 PRIOR TO SUBMISSION TO TOMC. #1 WINDOW FRAME C - D POST REPAIR IAW LATEST REVISION OF ECRA 5610-01552 PART 2 INSPECTION REQUIREMENTS. OKAY TO CARRY FORWARD WITH AN INTERIM DOUBLE AND TRIPLE REPAIR TOMC-APPROVAL FROM SC1ELBYC COMMENT ACCOMPLISHED FOR NOTED CRACK DAMAGED ON THE UPPER AFT CORNER OF THE L1 WINDOW FRAME C - D POST IN COMPLIANCE WITH EA 5310-04554 REVISION C OPERATION 007 AND ECRA 5610-01552 PART 1. THIS IS A CATEGORY B REPAIR REQUIRING REPETITIVE INSPECTION REQUIRMENTS (RIR) AS STATED IN ECRA 5610-01552 PART 2. WORK PERFORMED IAW EA 240419 REV: P1, P2, P3, P4, P5, IR AND EC/ AFTER THE ACCUMULATION OF 49900 TOTAL AIRCRAFT FLIGHT CYCLES Q/C REVIEWED.