What was found
ON WALK-AROUND INSPECTION, FOUND NR 4 PYLON INBOARD SKIN AT STA 180 BULKHEAD AND FORWARD LOWER SPAR HAS CRACK FROM LOWER EDGE OF SKIN THROUGH 2 FASTENER HOLES, TOTAL LENGTH OF CRACK IS 2.25 INCHES. STOP DRILLED CRACK AND INSTALLED INTERIM REPAIR PER BOEING INSTRUCTION REF STTE951113,/2, STT-SDF-95-003RE, STTE951114, AND STT-SDF-9-0005RE. PERMANENT REPAIR TO BE CARRIED OUT AT NEXT B-CHECK. (X)