What was found
MCN - C17 CK -1 SQUARE INCH DISBOND AREA ON LT ELEV UPPER SURFACE, ELEV STA 91, 18 INCHES AFT OF LEADING EDGE. MAINTENANCE REPAIRED ELEV DISBOND IAW B737 SRM 51-70-17, FIG 1, PG 3 - 45. CALCULATED ELEV BALANCE MOMENT IAW B737 SRM 51-60-04 PG 15 & 16.