As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
3RD STAGE IP STATOR ABRADABLE WAS EXFOLIATING CAUSING THE 3RD STAGE IP BLADES TO CONTACT THE STATOR ABRADABLE. THIS RESULT IN N1 LOCK-UP. BASED UPON HARDWARE EVALUATION, ROOT CAUSE OF THE ABRADABLE EXFOLIATING WAS DUE TO THE WATER WASH PROCEDURES (COASTAL A/C) NOT BEING FOLLOWED PG THE ENGINE MM. (K)