What was found
WHILE A/C WAS OUT OF SERVICE FOR HEAVY CHECK FR 88 LOWER FLANGE IS CORRODED BETWEEM STGR 27R & 28R. REPAIRED FRAME SECTION, IAW ETD 2020-170-027145-B. A/C REMAINS OUT OF SERVICE FOR HEAVY CHECK COMPLETION. MAJOR REPAIR.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
WHILE A/C WAS OUT OF SERVICE FOR HEAVY CHECK FR 88 LOWER FLANGE IS CORRODED BETWEEM STGR 27R & 28R. REPAIRED FRAME SECTION, IAW ETD 2020-170-027145-B. A/C REMAINS OUT OF SERVICE FOR HEAVY CHECK COMPLETION. MAJOR REPAIR.