What was found
A/C IN "C" CHECK AT FLIGHTSTAR A/C SERVICES REF ASTAR NR 080528. RT WING IB MID FLAP LOWER CHORD AT WBL135 SHOWS CRACK. REMOVED R/WING IB MID FLAP LOWER PANEL AND LOWER AFT CHORD WBL135 AS REQ IAW B727 SRM 51-30-2. FABRICATED ANGLE FROM BAC1503-100046 7075T6 PO NR 7157132 DIM. 68 1/2" BY 2" IAW B727 SRM 51-40-3 FIG 1 AND 57-50-2 FIG 5. TREATED AND PRIMED ANGLE AND AREA IAW B727 SRM 51-10-2. INSTALLED ANGLE AT R/WING IB MID FLAP IAW B727 SRM 51-30-2. CLOSED ACCESS PANEL AT R/WING IB MID FLAP IAW B727 SRM 51-30-2.