What was found
MAINTENANCE REPORTED CORROSION AT THE LAV SERVICE DOOR CUTOUT WASTE BOX EXTERNAL SKIN AREA, INTERNAL DOUBLER, STRINGER 28R BETWEEN FRAMES 86 & 87. REPAIRED IAW ETD2017-170-112028, ETD2017-170-111343A, SRM 51-41-01, 51-43-04, 51-41-02, 51-10-03, 53-23-03, 51-40-02, 53-23-60, 51-23-04, 51-23-05, & 51-43-04.