As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING REPAIR D JACKING PAD HELICOIL INSERT LHS IN REF. REO 670-57-22-004 REV.F, TOOL MARK WERE NOTED. DURING REPAIR D JACKING PAD HELICOIL INSERT LHS WAS DETECTED DAMAGE ,TOOL MARK WERE NOTED. REPAIR PREVIOUS. THEREFORE JACKING FITTING ASSY WAS REPLACED PER CRJ-900 SRM 51-42-21-001-001-A01