As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY CHECK, FOUND CRACK ON FRAME 25 LT AND RT OUTBOARD LOWER SIDE OF HYDRAULIC LINE CUTOUT. MAINTENANCE FOUND SB ATR42-53-0120 HAD BEEN PREVIOUSLY COMPLIED WITH. COMPLIED WITH SB ATR42-53-0121 ON BOTH LT AND RT SIDES FOR FRAME 25 HYDRAULIC LINES CUT OUT. VERIFIED CRACKS HAD NOT EXTENDED FURTHER PAST PREVIOUSLY COLD WORKED STOP DRILLED HOLES. (M)