As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PDX C4 CHECK FUSELAGE INTERIOR WEB THAT TIES INTO LT O/B SEAT TRACK HAS AN OVERSIZED HOLE LOCATED 2" AFT OF FRAME 333.300. REMOVED WEB BETWEEN FRAMES 333.30 AND 354.25 NEXT TO LH O/B SEAT TRACK. FABRICATED NEW WEB IAW T/C 2-53-836. INSTALLED WEB IAW -8 200 SRM 51-40-11.