As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
KTN - AFTER TAKEOFF, RIGHT ENGINE EPR REDUCED TO 1.6 (FROM 2) AND EGT CLIMBED TO 565 C. N1 DROPPED FROM 95 PERCENT TO 85 PERCENT. OIL PRESSURE WAS NORMAL. RETURNED TO PAKT. FOUND PS4 MANIFOLD FITTING ON PRBC BROKEN IN HALF. REPLACED FITTING. PERFORMED ENGINE RUN PER MM 71-00. ALL CHECKS WERE GOOD. (M)