What was found
AFT CARGO COMPARTMENT LEFT ZEE CHANNEL SIDEPLATE BS 727D-BS LBL 21.0 CORRODED AROUND FASTENER HOLES AT PREVIOUS BLENDOUT LOCATIONS. BS 727D-BS 767, LBL 21.0 - LBL 21.0, STR 25L-25L. ACFT GROUNDED. REMOVED CORROSION ON AFT CARGO COMPARTMENT LT ZEE CHANNEL SIDE PLATE FROM IAW SRM 51-12-02. ORIGINAL MATERIAL THICKNESS WAS 0.040. FROM MATERIAL LOSS 0.004. MAXIMUM ALLOWABLE LOSS 0.004. AREA FROM B5727D+12-B5767 WITHIN LIMITS IAW SRM 53-00-53-00-53-1A-2, FIG 103, SHEET 2. BLENDOUT AREAS RANGE FROM .75 X 1.125 TO 2.5X11.25" REMAINING MATERIAL THICKNESS FROM BS 727D+12 TO B5767 IS 0.036. AREA FROM B5727D+12 TO BS 727D CORRODED OUT OF LIMITS. REMOVED SIDE PLATE FROM BS 727D-7 TO BS727D+14 IAW SRM 53-00-53-2R-5, REPAIR 5. LOCATED AND DRILLED REPAIR PARTS IAW SRM 51-20-01. INSTALLED REPAIR PARTS IAW SRM 53-00-532R-5, REPAIR 5 AND SRM 51-40-02, NO DOT .