What was found
WHILE AIRCRAFT WAS IN IN HEAVY CHECK MAINTENANCE FOUND LEFT WING LE SKIN CRACKED AT UPPER AFT END IF CUTOUT FOR NR 2 SLAT OUTBD TRACK. MAINTENANCE CUTOUT DAMAGE, FABRICATED REPAIR DOUBLER AND INSTALLED DOUBLER IAW ETD2018-170-114169.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
WHILE AIRCRAFT WAS IN IN HEAVY CHECK MAINTENANCE FOUND LEFT WING LE SKIN CRACKED AT UPPER AFT END IF CUTOUT FOR NR 2 SLAT OUTBD TRACK. MAINTENANCE CUTOUT DAMAGE, FABRICATED REPAIR DOUBLER AND INSTALLED DOUBLER IAW ETD2018-170-114169.