As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING ACCOMPLISHMENT OF A ROUTINE 'C' CHECK WORK CARAD FOUND NR 4 SEAT TRACK CORRODED AT FS 640. MATERIAL OUT OF LIMITS. FABRICATED NEW SECTION OF TRACK FROM BAC 222136-1-1 EXTRUSION PER SRM 53-10-5. TREATED AND PRIMED PER SRM 51-10-2 AND MM 51-20-2. INSTALLED NEW TRACK FROM FS 620 TO 660 PER SRM 53-10-5 AND 51-30-2. (M)