What was found
DURING SHOP VISIT, THE NR 1 MIDFLAP WAS FOUND WITH IB AFT CLOSEOUT RIB CRACKED AT LOWER AFT CORNER. THE RIB WAS REPAIRED BY STOP DRILLING THE CRACK AND INSTALLING A DOUBLER 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 NR 1 MIDFLAP WAS FOUND WITH IB AFT CLOSEOUT RIB CRACKED AT LOWER AFT CORNER. THE RIB WAS REPAIRED BY STOP DRILLING THE CRACK AND INSTALLING A DOUBLER PER 727 MM 57-52-0,FIG. 808.