What was found
FOUND DURING D1 LETTER CHECK/SHUTTLE MOD NRC 69, NR 3 L/E SLAT SPAR STIFFENER CRACKED APPROX 1.5 INCH AT INBD TRACK OUTBD STIFFENER. REPLACED SPAR STIFFENER PER M/M 57-20-21 P 813.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FOUND DURING D1 LETTER CHECK/SHUTTLE MOD NRC 69, NR 3 L/E SLAT SPAR STIFFENER CRACKED APPROX 1.5 INCH AT INBD TRACK OUTBD STIFFENER. REPLACED SPAR STIFFENER PER M/M 57-20-21 P 813.