What was found
DURING HEAVY CHECK AT SAL, UNDERGOING REF /2/ INSPECTION WHEN CRACK DAMAGE WAS REPORTED AT FR16 LT JUST ABOVE DOOR STOP 7 ON HOLES A AND C. CONTACTED AND PROVIDED REF. /4/. HOLES A & C WERE REAMED, COLD WORKED, AND BUSHING AND DOUBLERS WERE INSTALLED. ADJACENT HOLES B & D WERE REAMED AND COLD WORKED ONLY. HOLES E & F WERE INSPECTED WITHOUT ANY FINDINGS. EC A18-845-01 IS ISSUED TO PROVIDE THE PERMANENT REPAIR INSTRUCTIONS PER REF /4/. EC A18-845-02 IS ISSUED TO PROVIDE THE POST-REPAIR INSTRUCTIONS FOR HOLES A & B, FROM TIME OF REPAIR EMBODIMENT. THRESHOLD = 6800FC (FH NOT RELEVANT) INTERVAL = 4383 FC (FH NOT RELEVANT). METHOD OF INSPECTION: (1) AT REPAIRED HOLE A: ROTOTEST INSPECTION AS PER NTM 51-10-01 AFTER FASTENER REMOVAL & NTM 51-10-18 AFTER BUSH REMOVAL (2) AT ASSOCIATED HOLE B: ROTOTEST INSPECTION AS PER NTM 51-10-01 AFTER FASTENER REMOVAL EC A18-845-03 IS ISSUED TO PROVIDE THE POST-REPAIR INSTRUCTIONS FOR HOLES C & D, FROM TIME OF REPAIR EMBODIMENT. THRESHOLD 6800FC (FH NOT RELEVANT), INTERVAL = 4742 FC. METHOD OF INSPECTION: (1) AT REPAIRED HOLE C: ROTOTEST INSPECTION AS PER NTM 51-10-01 AFTER FASTENER REMOVAL & NTM 51-10-18 AFTER BUSH REMOVAL AT ASSOCIATED HOLE D: ROTOTEST INSPECTION AS PER NTM 51-10-01 AFTER FASTENER REMOVAL; THIS REPAIR IS APPROVED PER REF. REF /3/ RDAS AND IS CLASSIFIED AS MAJOR CATEGORY 'B'.