As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT IN BASE MAINTENANCE: CORROSION INSIDE BORE CIRCUMFERENCE OF 1.5 INCH LONG, 0.250 INCH WIDE AND 0.025 INCH DEEP WITH 0.047 INCH FINISHING CUT TO EQUAL TOTAL DEPTH OF 0.072 INCH. REMOVED CORROSION BY MACHINING BORE AND FINISHING CUT REF SRM 57-26-13-300-008.