What was found
AFTER HFEC INSPECTION ON THE LH WINDOW FRAME AT THE UPPER AFT CORNER AND INNER CORNER RADIUS FOUND TO BE CRACK PER EA 5310-04554 REV B STEP 9.1 AND 9.2. (REF: AAR NR 99965475) SFR NO 1031988. PERFORMED CUT OUT ON LH WINDOW FRAME OF THE CRACK FOUND. (WORK ACCOMPLISHED BY V937984 AND AAR QC A-82 UPPER CORMER & INNER CORNER RADIOS IAW B737-900ER, UNITED V931568) EA 5310-04554, REV. B STEP 15.2, 15.3 FIG 7 CONF "B", NDT PERFORMED IAW B737 PART 6, 51-00-00 PROC 23, AFTER CUT OUT NO