What was found
DRAIN MAST AFT INNER DOUBLER IS CORRODED. MAINTENANCE R & R DRAIN MAST AFT INNER DOUBLER IAW SRM 51-40-02, 51-41-02, PN 170-87558-001, DRAIN MAST DOUBLER.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DRAIN MAST AFT INNER DOUBLER IS CORRODED. MAINTENANCE R & R DRAIN MAST AFT INNER DOUBLER IAW SRM 51-40-02, 51-41-02, PN 170-87558-001, DRAIN MAST DOUBLER.