What was found
CORRODED INTERCOSTAL BETWEEN STGR 27-38R FWD SIDE OF THE DRAIN MAST ASSY, UNDER RT SIDE OF POTABLE WATER TANK. R & R INTERCOSTAL, PN 170-87560-001.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CORRODED INTERCOSTAL BETWEEN STGR 27-38R FWD SIDE OF THE DRAIN MAST ASSY, UNDER RT SIDE OF POTABLE WATER TANK. R & R INTERCOSTAL, PN 170-87560-001.