What was found
MCN - C21 CHECK - CRACKS ON SHEAR WEB FASTENER HOLES BETWEEN BS 1006 TO BE 1016, WL 208, BETWEEN BL 0 TO BL 45.5R. REPLACED SHEAR WEB BETWEEN BS 1006 TO BE 1016, WL 208, BETWEEN BL 0 TO BL 45.5R IAW B737-300 SRM 51-40-05, FIG 2.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
MCN - C21 CHECK - CRACKS ON SHEAR WEB FASTENER HOLES BETWEEN BS 1006 TO BE 1016, WL 208, BETWEEN BL 0 TO BL 45.5R. REPLACED SHEAR WEB BETWEEN BS 1006 TO BE 1016, WL 208, BETWEEN BL 0 TO BL 45.5R IAW B737-300 SRM 51-40-05, FIG 2.