As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE DOING T/C 72-220-00 BOROSCOPE THE ENGINE COMBUSTION CHAMBER FOUND #2 ENG COMBUSTION CHAMBER DEFECTOR PLATE # 11,12,13 HAVE CIRCUMFRENCIAL CRACKS. ENG S/N 602959 REF T/C 72-220-00. STEP C. (2) CIRCUMFRENTIAL CRACK IS NOT ALLOWED. GROUNDED - YES. REMOVED #2 ENGINE ESN 602959. TRANSFERED TO ASA SHOP W/O 1969289.