What was found
DURING HFEC INSPECTION; CRACK NOTED IN LOWER HOLE OF BS 727 INNER CHORD AT STRINGER 18A LEFT SIDE O/B FITTING IS CRACKED ONLY (P/N: 144A7321U7); AD RELATED ENGINEERING IS REQUIRED <[01]. REWORKED DISCREPANT FASTENER HOLE 1/64 OVER IAW SRM 51-40-05. FINAL HOLE SIZE OF .263'; NO CRACK NOTED.; [02] ADDITIONAL ENGINEERING NOT REQUIRED. STATED IN TTG8Q00MES70 STEP 9.F.(1).(A) 'IF ANY CRACKS ARE FOUND; RAISE A FOUND FAULT TO DOCUMENT THE FINDINGS. NOTIFY ENGINEERING PER THE TSR/ESR POLICY IF ADDITIONAL ASSISTANCE IS REQUIRED.' SEE ATTACHMENT.;[03] ADDITIONAL ENGINEERING NOT REQUIRED. STATED IN TTG8Q00M7VY2 STEP 9.F.(1).(A) 'IF ANY CRACKS ARE FOUND; RAISE A FOUND FAULT TO DOCUMENT THE FINDINGS. NOTIFY ENGINEERING PER THE TSR/ESR POLICY IF ADDITIONAL ASSISTANCE IS REQUIRED.' SEE ATTACHMENT.; [04] PRIOR TO REWORKING THE HOLE ABOVE AND DURING THE NDI INSPECTION; THE CRACK WAS NOTED TO BE IN THE THIRD LAYER OF THE STACK UP; THE CRACK WAS IN THE P/N: 114A7321U7 FITTING.; [05] REPAIRED 727 INNER CHORD AT STRINGER 18A IAW EA 25-153-00492; [06] VERIFIED RII ITEMS COMPLETE.