What was found
THE REAR SPAR OF THE RT ELEVATOR IS CRACKED IN TWO LOCATIONS. THERE IS A CRACK MEASURING .099 EMANATING FROM THE SHEAR PLATE AT THE SECOND FROM THE O/B HINGE, AND THE OTHER IS .167 EMANATING FROM THE SHEAR PLATE AT THE THIRD FROM THE O/B HINGE. THIS ER/A AUTHORIZES A TIME LIMITED STOP DRILL REPAIR PER THE REFERENCED SERVICE BULLETIN (S/B 727-55-0089) BASED ON THE RESTRICTIONS IN THE AD (96-06-05). REPETIVE INSPECTIONS WILL BE ACCOMPLISHED WITHIN 1,600 FLIGHT HRS AND PERMANET REPAIR WILL BE ACCOMPLISHED WITHIN 3,200 FLIGHT HRS OF 25 SEPT 97.