What was found
PIT - DURING C4 CHECK, FOUND HEAT DAMAGE TO SKIN AND STRINGER AT APU OUTLET AREA, STATION 27250 AND STR 46. INSTALLED EXTERNAL DOUBLER REPAIR 20 INCH BY 16 INCH AND REPAIRED STRINGER 46 PER EA 47737 AND SRM 51-70-06 REPAIR NR 5. (M)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
PIT - DURING C4 CHECK, FOUND HEAT DAMAGE TO SKIN AND STRINGER AT APU OUTLET AREA, STATION 27250 AND STR 46. INSTALLED EXTERNAL DOUBLER REPAIR 20 INCH BY 16 INCH AND REPAIRED STRINGER 46 PER EA 47737 AND SRM 51-70-06 REPAIR NR 5. (M)