What was found
DURING HEAVY MAINTENANCE, FOUND PITTING CORROSION ON SEAT TRACK FLANGE FROM BS 1070 TO 1130, LBL 56. REMOVED SEAT TRACK, DRILLED NEW SEAT TRACK, AND INSTALLED IAW B727 53-10-05, 51-30-02, AND 53-10-03.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING HEAVY MAINTENANCE, FOUND PITTING CORROSION ON SEAT TRACK FLANGE FROM BS 1070 TO 1130, LBL 56. REMOVED SEAT TRACK, DRILLED NEW SEAT TRACK, AND INSTALLED IAW B727 53-10-05, 51-30-02, AND 53-10-03.