As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE INCORPORATING SB 670BA-57-020, FOUND REAR SPAR MOD PREVIOUSLY C/W FITTINGS AT WS 48.95 INTERFERE WITH FASTENER INSTALLS ON LT AND RT SIDES. REPAIRED RT SIDE BATHTUB REAMER DAMAGE AND INTERFERENCE WITH FASTENER ISSUE ON LT AND RT FITTINGS IAW MHIRJ REO 690-57-21-378, REV.A. ALL STEPS COMPLIED WITH. WVAC EMP #460661