As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 2 START RELAY SHORTED TO GROUND DURING ENGINE START, APPARENTLY DUE TO WATER INCURSION OR CONTACT CORROSION. RELAY BURNED BUT START WAS SECURED BEFORE ADJACENT WIRE BUNDLE WAS DAMAGED. RELAY REPLACED. NEW RELAYS APPEAR TO HAVE ADDITIONAL SEALANT TO PREVENT THIS PROBLEM. MAY BE RELATED TO CORROSIVE ATMOSPHERE AS 2 OTHER IDENTICAL AIRCRAFT HAVE HAD SIMILAR FAILURES CAUSING MORE SEVERE DAMAGE AT THIS SITE.