What was found
AT C-CK; MAIN CARGO COMPARTMENT BEAM ATTACHING FITTING CRACKED (4 INCHES) AT STA 822.00 L-21R. REMOVED CRACKED FITTING IAW SRM 51-1-20D, PG 21. CLEANED, TREATED AND PRIMED AREA IAW SRM 51-1-8B PG 1-2. INSTALLED NEW FITTING IAW SRM 51-1-20D, PG 9. REF: N/R 1798.