What was found
DURING SHOP VISIT THE I/B AFT RIB WAS FOUND CRACKED IN THE LOWER RADIUS AT THE AFT END. THE CRACK WAS STOP DRILLED AND A DOUBLER INSTALLED PER 727 MM 57-52-0, FIG 808.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING SHOP VISIT THE I/B AFT RIB WAS FOUND CRACKED IN THE LOWER RADIUS AT THE AFT END. THE CRACK WAS STOP DRILLED AND A DOUBLER INSTALLED PER 727 MM 57-52-0, FIG 808.