As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A SCHEDULED INSPECTION, NOTED THE SECOND CYCLE OF THREE WAS NOT HOLDING ENOUGH PRESSURE IN THE SURFACE DEICE SYSTEM. INSPECTION REVEALED A HOLE IN AN ALUMINUM LINE CAUSED BY A SCREW IN AN INSPECTION COVER MAKING CONTACT. SUGGEST MAKING SURE ADEQUATE CLEARANCE EXISTS AROUND INSPECTION COVERS AND PLUMBING.