As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN ROTOR BLADE HAS BLACK BIM. SENT FOR REPAIR. INSPECTED IAW SRM SA 4045-31E CHAPTER / SECTION 65-10-01 REV 5. PERFORMED 2 DAY LEAK CHECK IAW SER 50908; REPLACED BIM TRANSDUCER AND REINSTALLED BIM; RECHARGED SPAR IAW S-61N MM SA4045-80 REV MARCH 1, 1978 AT 4301.3.