As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WASTE TANK CUT OUT VENT HAS CORROSION (REF. AAR NR 99944029). REPAIRED WASTE TANK CUT OUT VENT IAW B737-800 SRM 53-70-01-2R RE PAIR 3 STEP 4 (WORK ACCOMPLISHED BY V940417 AND AAR QC A-76 V920 285). PER SRM 53-70-01-2R REPAIR 3 STEP PERFORM LFEC EVERY 5000FC BEGINNING AT 50000FC ADD EMP:V920285