As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING HEAVY MAINTENANCE: CORROSION: FWD PAX FLOOR STRUCTURE SURFACE AT UPPER SUPPORT BEAM FWD OF RIGHT INBD FLOOR SEAT TRACK AT FR17 - Y + 279.4MM (11"); REF EAMS NR-00043 W/O H9334: R & R SEAT TRACK P/N: 170-03263-001 FR13-20 RH IAW EMBRAER SRM 51-40-08.(CONSIDERED A MAJOR REPAIR)