As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FOR FLIGHT 4414 DURING MAINTENANCE CHECK FOUND THE LAVATORY FIRE EXTINGUISHER DOOR PANEL WON'T OPEN. THE AIRCRAFT WAS REMOVED FROM SERVICE. RE-ADJUSTED FIRE EXTINGUISHER DOOR LATCH IAW STANDARD MAINTENANCE PROCEDUERS. THE OPERATIONAL CHECK WAS GOOD. NO DEFECTS NOTED. NO PARTS REMOVED OR REPLACED. THE AIRCRAFT WAS RETURNED TO SERVICE.