As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ALUMINUM LINE THAT ATTACHES TO GEAR BLOW-DOWN BOTTLE HAS A HOLE CORRODED IN TUBE 7.5 INCHES DOWN FROM BLOW-DOWN BOTTLE WHERE IT LAYED AGAINST THE CROSS-OVER HEAT DUCT INSULATION. SUBMITTER SUGGESTED LINE BE BENT OUT ENOUGH TO RELIEVE PRESSURE AND CHAFING PROBLEM.