What was found
DURING HEAVY MAINTENANCE, CORROSION WAS DISCOVERED, REF HAECO NR 440504-42590: CABIN SEAT TRACK Y765 FR16 CORR; REF NR 42590 FOR ALL WORK ACP: RPL FLR SEAT TRACK PER SRM 51-72-11.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING HEAVY MAINTENANCE, CORROSION WAS DISCOVERED, REF HAECO NR 440504-42590: CABIN SEAT TRACK Y765 FR16 CORR; REF NR 42590 FOR ALL WORK ACP: RPL FLR SEAT TRACK PER SRM 51-72-11.