What was found
DURING HMV4, FOUND AFT LOWER CARGO DOOR LWR AFT CORNER REPAIR (DOUBLER) CHAFED EXTERIOR BOTTOM END. REMOVED AFT DOUBLER, REMOVED CORROSION FROM DOOR SKIN DOUBLER AREA ORIG MAT THICKNESS 0.050, LOSS 0.006, REMANING 0.044, DOOR SKIN FOUND TO BE WITHIN LIMITS TREATED AND PRIMED AREA IAW SRM 52-01, FIG 1, SH3. RECEIVED, DRILLED, DEBURRED AND INSTALLED 1EA NEW DOUBLER IAW SRM 51-10-4, 51-10-3, 51-30-2, DWG 5910141, DPS 900-3-6, NR 36.