What was found
AIRCRAFT WAS NOT GROUNDED: MID CABIN LAVATORY FOUND UNUSABLE WITH STUCK DOOR DURING PREFLIGHT. RELEASED DOOR HOLD OPEN LOCK.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AIRCRAFT WAS NOT GROUNDED: MID CABIN LAVATORY FOUND UNUSABLE WITH STUCK DOOR DURING PREFLIGHT. RELEASED DOOR HOLD OPEN LOCK.