As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHILE AC WAS OUT OF SERVICE FOR HEAVY CHECK, MAINTENANCE DISCOVERED LEVEL 1 CORROSION ON ENGINE FIRE EXT BOTTLE A RT SQUIB CONNECTOR. REPLACED CONNECTOR IAW SWPM 20-40-10 AND 20-50-10. AC REMAINS OUT OF SERVICE FOR HEAVY CHECK COMPLETION.