What was found
UPON REMOVAL OF UPPER CHORD (NR0413) FOUND INSIDE UPPER TANK SKIN TO BE CORRODED, BS 870, RBL 60 - LBL 60, WL 178. *S/D* REMOVED CORROSION INSIDE UPPER TANK SKIN BS 870, RBL 60 - LBL 60, WL 178 PER FED EA 7-5710-36884 AND ER 97-3658.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
UPON REMOVAL OF UPPER CHORD (NR0413) FOUND INSIDE UPPER TANK SKIN TO BE CORRODED, BS 870, RBL 60 - LBL 60, WL 178. *S/D* REMOVED CORROSION INSIDE UPPER TANK SKIN BS 870, RBL 60 - LBL 60, WL 178 PER FED EA 7-5710-36884 AND ER 97-3658.