What was found
TUL - FOUND 1 INCH CRACK LEFT LOWER CHORD KEEL BEAM AT UPPER FLANGE STATION 874. 5 INCH CRACK LT SIDEWALL WEB OF KEEL BEAM LOWER CORNER STATION 874. BOEING MANUFACTURE SPECIAL BULLETIN S/B 53-0208 REPAIR (A) BOTH CRACKS. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
TUL - FOUND 1 INCH CRACK LEFT LOWER CHORD KEEL BEAM AT UPPER FLANGE STATION 874. 5 INCH CRACK LT SIDEWALL WEB OF KEEL BEAM LOWER CORNER STATION 874. BOEING MANUFACTURE SPECIAL BULLETIN S/B 53-0208 REPAIR (A) BOTH CRACKS. (M)