What was found
DURING COMPLIANCE OF AD 90-18-03; SB 57-129: REV 4, FOUND CRACK INDICATION PER STEP 2B, ON THE RIGHT WING WEB. REPLACED SPAR WEB IAW EA AD-57-03636-MA.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING COMPLIANCE OF AD 90-18-03; SB 57-129: REV 4, FOUND CRACK INDICATION PER STEP 2B, ON THE RIGHT WING WEB. REPLACED SPAR WEB IAW EA AD-57-03636-MA.