As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON RH ELEVATOR ADJUSTABLE MASS BALANCE WEIGHTS. REPLACED 9 EA RH ELEVATOR ADJUSTABLE MASS BALANCE WEIGHTS WITH NEW IN SAME LOCATION P/N PE915109-L33. CORROSION ON LH ELEVATOR ADJUSTABLE MASS BALANCE WEIGHTS. REPLACED 3 EA LH ELEVATOR ADJUSTABLE MASS BALANCE WEIGHTS WITH NEW IN SAME LOCATION P/N PE915109-L33. WORK DONE PER SB505-55-A004 REV 4 DATED: NOV 21, 2019.