/usr/share/phpbb3/www/language/es_x_tu/email/ is in phpbb3-l10n 3.0.10-4+deb7u3.
This file is owned by root:root, with mode 0o755.
..
/usr/share/phpbb3/www/language/es_x_tu/email/admin_activate.txt
/usr/share/phpbb3/www/language/es_x_tu/email/admin_send_email.txt
/usr/share/phpbb3/www/language/es_x_tu/email/admin_welcome_activated.txt
/usr/share/phpbb3/www/language/es_x_tu/email/admin_welcome_inactive.txt
/usr/share/phpbb3/www/language/es_x_tu/email/coppa_resend_inactive.txt
/usr/share/phpbb3/www/language/es_x_tu/email/coppa_welcome_inactive.txt
/usr/share/phpbb3/www/language/es_x_tu/email/email_notify.txt
/usr/share/phpbb3/www/language/es_x_tu/email/forum_notify.txt
/usr/share/phpbb3/www/language/es_x_tu/email/group_added.txt
/usr/share/phpbb3/www/language/es_x_tu/email/group_approved.txt
/usr/share/phpbb3/www/language/es_x_tu/email/group_request.txt
/usr/share/phpbb3/www/language/es_x_tu/email/installed.txt
/usr/share/phpbb3/www/language/es_x_tu/email/newtopic_notify.txt
/usr/share/phpbb3/www/language/es_x_tu/email/pm_report_closed.txt
/usr/share/phpbb3/www/language/es_x_tu/email/pm_report_deleted.txt
/usr/share/phpbb3/www/language/es_x_tu/email/post_approved.txt
/usr/share/phpbb3/www/language/es_x_tu/email/post_disapproved.txt
/usr/share/phpbb3/www/language/es_x_tu/email/privmsg_notify.txt
/usr/share/phpbb3/www/language/es_x_tu/email/profile_send_email.txt
/usr/share/phpbb3/www/language/es_x_tu/email/profile_send_im.txt
/usr/share/phpbb3/www/language/es_x_tu/email/report_closed.txt
/usr/share/phpbb3/www/language/es_x_tu/email/report_deleted.txt
/usr/share/phpbb3/www/language/es_x_tu/email/topic_approved.txt
/usr/share/phpbb3/www/language/es_x_tu/email/topic_disapproved.txt
/usr/share/phpbb3/www/language/es_x_tu/email/topic_notify.txt
/usr/share/phpbb3/www/language/es_x_tu/email/user_activate.txt
/usr/share/phpbb3/www/language/es_x_tu/email/user_activate_inactive.txt
/usr/share/phpbb3/www/language/es_x_tu/email/user_activate_passwd.txt
/usr/share/phpbb3/www/language/es_x_tu/email/user_reactivate_account.txt
/usr/share/phpbb3/www/language/es_x_tu/email/user_remind_inactive.txt
/usr/share/phpbb3/www/language/es_x_tu/email/user_resend_inactive.txt
/usr/share/phpbb3/www/language/es_x_tu/email/user_welcome.txt
/usr/share/phpbb3/www/language/es_x_tu/email/user_welcome_inactive.txt