As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: LAVATORY HOLDING TANK NUMBER 2 SHOWED FULL (ALL RED) AFTER TAKE OFF, LOSS OF LAVATORIES: 1L, 3L, 4L. AIRCRAFT DIVERTED TO SEA. RELIABILITY OF TANK 1 AND 3 QUESTIONED. **SUPPLEMENTAL REPORT FOR AALA202208162786: REPLACED NUMBER 2 WASTE TANK PER AMM 38-32-11.** (CLOSED)