What was found
WHILE IN HEAVY CHECK FOUND MAIN CABIN STRINGER 19R IS CORRODED BETWEEN FR 88 AND FR 89. REPLACED DAMAGED SECTION OF STRINGER19R AT FR 88-89 BY SPLICING REF ETD2021-170-33667 & E170 SRM 53-23-03
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
WHILE IN HEAVY CHECK FOUND MAIN CABIN STRINGER 19R IS CORRODED BETWEEN FR 88 AND FR 89. REPLACED DAMAGED SECTION OF STRINGER19R AT FR 88-89 BY SPLICING REF ETD2021-170-33667 & E170 SRM 53-23-03