As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
U CHANNEL IS CORRODED BETWEEN FS 581 AND FS 597, BETWEEN STGR 27 AND STGR 26R.. CORRECTIVE ACTION: COMPLIED WITH REPAIR TO "U" CHANNEL BETWEEN FS 581 AND FS 597, BETWEEN STGR 27 AND STGR 26R BY REPLACING UNSERVICEABLE "U" CHANNEL (P/N: SH670-33272-3) AND INSTALLED NEW SERVICEABLE U CHANNEL (PN SH670-33272-3) IAW CRJ 700 SRM 51-42-06-001-001-A01.