As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PERFORMED ENG RUN VIB SURVEY AS REQUESTED BY TSR14495, #2 ENG WAS FOUND TO BE OUT OF VIB LIMITS AT 64% N1 IN REF TO AMM 71-00-00 TEST 7. GROUNDED - YES. SPINNER WEIGHTS MOVED AFTER COMPLETION OF TEST 7 AND AC ENG RUN TEST 7 PERFORMED AGAIN. HIGHEST VIB WAS 1.4 DURING RUN SEE TSR714496.