What was found
DURING HEAVY CHECK MAINTENANCE FOUND AFT LH SEAT TRACK CORRODED BETWEEN FR74 - FR84. REPLACED AFT LH SEAT TRACK FROM FR74-84 WITH NEW. P/N 170-86081-005 IAW SRM 51-43-01.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING HEAVY CHECK MAINTENANCE FOUND AFT LH SEAT TRACK CORRODED BETWEEN FR74 - FR84. REPLACED AFT LH SEAT TRACK FROM FR74-84 WITH NEW. P/N 170-86081-005 IAW SRM 51-43-01.