What was found
DURING COMPLIANCE WITH SEB 92-1R1 (CESSNA). ADAPTER WAS REMOVED FROM PUMP HOUSING AND THREAD DAMAGE WAS EVIDENT. 3OX MAGNIFICATION OF DAMAGE APPEARED TO BE A MANUFACTURING DEFECT. NO DAMAGE DUE TO MISUSE IS SUSPECTED. SEB 93-1R1 IS TO CHECK THREAD DAMAGE DUE TO IMPROPER TORQUE AND SUBSEQUENT LOOSENESS. THIS CONDITION DID NOT EXIST AND SEB 93-1R1 DOES NOT APPLY TO THIS AIRCRAFT BY SERIAL NUMBER, HOWEVER, ENGINE AND PART IN QUESTION ARE SAME AS SERIAL NUMBER AIRCRAFT IN EFFECTIVITY CLAUSE.