What was found
WHILE ACCOMPLISHING T/C 78472010 #1 ENGINE FOUND #8 FAN BLADE MISSING CU-NI-IN DAMAGE BEYOND LIMITS. GROUNDED - YES. REMOVED AND REPLACED FAN BLADES #8 & #20 AS PAIR ON #1 ENG REF B737-800 AMM 72-21-02-000-802-F00.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
WHILE ACCOMPLISHING T/C 78472010 #1 ENGINE FOUND #8 FAN BLADE MISSING CU-NI-IN DAMAGE BEYOND LIMITS. GROUNDED - YES. REMOVED AND REPLACED FAN BLADES #8 & #20 AS PAIR ON #1 ENG REF B737-800 AMM 72-21-02-000-802-F00.