What was found
FO SLIDE WINDOWS HAD LOUD NOISE FROM LOWER LEFT PORTION OF WINDOW, HAPPENED IN CLIMB THROUGH 24,000FT CONTINUED TO 30,000FT. STOPPED DESCENDING THROUGH 23,000FT STEP CLIMB BACK TO 30,000FT WITH NOISE RETURNING BUT QUIETER THAN PREVIOUS EVENT. NO EICAS INDICATORS. NO PRESSURIZATION INDICATORS.(FOUND A TEAR IN FO R2 WINDOW SEAL UPON INSPECTION. R/R R2 WINDOW SEAL IAW B777 AMM 56-11-13 PN: SF15-141T487-10)