What was found
DURING CLIMBOUT, NR 1 ENGINE OVERTEMPED. HEARD A LOUD POP WITH A YAW TO THE LEFT. ALL ENG INDICATIONS WERE NORMAL EXCEPT EGT WHICH WAS 700 DEGREES HIGHER THEN NR 2 EGT, NR 1 EGT STAYED BEWTEEN 600 TO 700 DEGREES. DURING RETURN, MAX EGT 1000 FT. REMOVED AND REPLACED NR 1 ENGINE. LEAK AND OPS CHECKED GOOD.