What was found
LWR FWD CARGO PIT U-CHANNEL HAS 3 EXTRA HOLES ON UPPER LEG INBD END AT FWD SIDE OF STA 640 BELOW FRAME SPLICE AGAINST SKIN SHEAR TIE, BETWEEN STR 22L AND 23L. REMOVED U CHANNEL, REF SRM 51-30-2. FABRICATED NEW CHANNEL REF DWG 53FX1465 AND SENT FOR HEAT TREAT. LOCATED FASTENER HOLES ON U-CHANNEL REF SRM 51-30-5. ALODINE NAD PRIMED U-CHANNEL REF MM 51-20-21 AND 51-30-2. INSTALLED U-CHANNEL REF 51-30-2. THIS IS CLASSIFIED AS A MAJOR REPAIR.