What was found
WHILE IN 'C' CHECK MAINTENANCE FOUND FUSELAGE SKIN DOUBLER HAS 1 INCH LONG CRACK. RT AND LT AFT HEAT EXCHANGER CUTOUT LOWER AFT CORNERS. INSTALLED REPAIR IAW UPS EO DC8-5330-4732D.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
WHILE IN 'C' CHECK MAINTENANCE FOUND FUSELAGE SKIN DOUBLER HAS 1 INCH LONG CRACK. RT AND LT AFT HEAT EXCHANGER CUTOUT LOWER AFT CORNERS. INSTALLED REPAIR IAW UPS EO DC8-5330-4732D.