As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE ACCOMPLISHING S/B 737-53A1075 A CRACKED Z-STIFFENER ON THE BS 1016 AFT P-DOME AT S23R WAS NOTED. THE STIFFENER IS LOCATED IN THE INSPECTION AREA, HOWEVER, IS NOT ONE OF THE STIFFENERS DETAILED IN THE BAC DWG. DAMAGE REMOVED AND REPAIRED VIA ERA 089941-14AD.