Probably probe or membrane failure. Crabs in sonde guard when the instrument was retrieved. Possible membrane puncture. Crab in sonde guard. Probably due to fouling at the end of deployment period.
All parameters aberrant.
Deleted all parameters due to aberrant data. Sonde went to the surface. Data out of range, deleted. After this date sondes were deployed at the site in unattended mode because radio contact was not possible. Probably probe or membrane failure.