As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) THE SOLENOID WAS FUNCTIONING ON AN INTERMITTENT BASIS. THE PROBLEM WAS TRACED TO A GUMMY DEPOSIT FOUND IN THE TIGHT TOLERANCE AREA OF THE SLIDING PARTS. IT LEAD TO A BENDING OF THE SOLENOID PLUNGER. THE PART WAS REPLACED AND THE AIRCRAFT RETURNED TO SERVICE.