What was found
DURING ROUTINE MAINTENANCE, THE LEFT WING FWD UPPER SPAR CAP INBD OF SLAT DRIVE MECHANISM AT STA XIS 136.42 WAS FOUND TO BE CORRODED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING ROUTINE MAINTENANCE, THE LEFT WING FWD UPPER SPAR CAP INBD OF SLAT DRIVE MECHANISM AT STA XIS 136.42 WAS FOUND TO BE CORRODED.