What was found
DURING ULTRASONIC INSPECTION FOR VERTICAL CRACKS BEHIND SERVICE REPAIR SR10550013, PER DRAWING NUMBER SN10550000 REVISION C, ON LT SIDE OF THE LOWER VERTICAL STABILIZER AFT FLANGE OF UPPER REAR SPAR CAP CRACK INDICATION FOUND BETWEEN FOURTH AND THIRD FASTENERS FROM BELOW TOWARDS SECOND FASTENER AT STATION 2164. AT LT STATION 2164 LOWER VERTICAL STABILIZER AFT FLANGE OF UPPER REAR SPAR CAP CRACK BETWEEN FOURTH AND THIRD FASTENERS FROM BELOW TOWARDS SECOND FASTENER REPAIR CARRIED OUT AS PER SRM 55-30-02-2R FIG 204 REPAIR 5 AND EA 1-5530-T0355939 A PART 1; TITLE: STABILIZERS-VERTICAL STABILIZER-CRACK REPAIR ON VERTICAL STABILIZER REAR SPAR LT FWD AND AFT FLANGES. REPAIR CLASSIFIED AS MAJOR PER GMM 6-2-100.