What was found
AFT CARGO DOOR FRAME AT BS 1380 AND RBL 20 IS CORRODED. MAJOR REPAIR ACCOMPLISHED. REMOVED EXISTING CORROSION AND FABRICATED A REPAIR ANGLE, AND PLUGGED 2 EACH OVERSIZED HOLES AND INSTALLED REPAIR PER REO G14321, REV A, AND EC-RA 5310-05424 ON NON ROUTINE 28367. PER EC-RA 5310-05424, A NEW 8100-9 MUST BE ISSUED, AFTER ANALYSIS WITHIN 24 MONTHS 08562505DEC2011. THIS AIRCRAFT WILL BECOME UNAIRWORTHY UNLESS A NEW FAA FORM 8100-9 IS ISSUED ON OR BEFORE 05DEC2013.