As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FAULT-STR-Z100 LOWER HALF OF FUSELAGE, LAVATORY WASTE COMPARTMENT INNER AREA HAS DEGRADED LEVELING COMPOUND AND BARE METAL. WORK ACCOMPLISHED IAW PRELIM 1 EA 757-5249-27-A4596 REV - AND UPS EO: EO-98315-REQ 1 AND VT MAE EA 757-5249-27-A4596 REV -.