As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LAVATORY VACUUM PUMP MAKING A GRINDING NOISE. VACUUM GENERATOR DEACTIVATED IAW MEL38-30-01-01 (M). VACUUM SYS AND VACUUM GEN CIRCUIT BREAKERS PULLED AND SAFETIED. ALL LAVATORY TOILET SYSTEM COMPONENTS CHECKED WITH NO LEAKS NOTED. COMPLIED WITH MEL 3830G, REPLACED VACUUM GENERATOR WITH SERVICABLE IAW AMM 38-31-64. OPS CHECKED GOOD, READY FOR SERVICE.