What was found
AIRCRAFT GROUNDED FOR HEAVY MAINTENANCE. UPPER CARGO WINDOW FRAME R-12 HAS PITTED CORROSION ON LOWER SURFACE AREA.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT GROUNDED FOR HEAVY MAINTENANCE. UPPER CARGO WINDOW FRAME R-12 HAS PITTED CORROSION ON LOWER SURFACE AREA.