As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
S8 STATIC DRAIN SYSTEM HAS CORRODED LINE, P/N 25-7SF207-209, AND RESERVOIR, P/N 257SF231. THE STATIC DRAIN SYSTEM HAS BEEN MAINTAINED PER MAINTENANCE SCHEDULE ACCORDING TO OWNER/OPERATOR. OWNER HAS HAD THIS ACFT SINCE NEW. THIS DEFECT WAS FOUND DURING COMPLETION OF SB 34-3282 MODIFICATION OF PITOT/STATIC AND STALL VENT DRAIN VALVES. CUSTOMER OPTED TO C/W SB BY MODIFYING FROM THE INSIDE PER SB.