What was found
THE WING CENTER SECTION REAR SPAR WEB IS CRACKED AT RBL 20.5. THE CRACK IS 2.625 LONG IN A CHEM-MILL RADIUS JUST BELOW THE SPAR UPPER CHORD. INSTALLED DOUBLER PER FAA/DER FORM 8110-3, DER DESIGNATION SO-775, DATED 7-3-97.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
THE WING CENTER SECTION REAR SPAR WEB IS CRACKED AT RBL 20.5. THE CRACK IS 2.625 LONG IN A CHEM-MILL RADIUS JUST BELOW THE SPAR UPPER CHORD. INSTALLED DOUBLER PER FAA/DER FORM 8110-3, DER DESIGNATION SO-775, DATED 7-3-97.