As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING DRC, FOUND RIGHT EMERGENCY ESCAPE SQUIB TEST 1 WILL NOT TEST. TROUBLESHOT PER FIM 25-65. FOUND FAULTY BATTERY PACK. DISARMED OFFWING ESCAPE SYS IAW B767-300 AMM 25-65. REPLACED BATTERY CHARGER IAW AMM 25-65. REARMED OFF-WING ESCAPE SYSIAW AMM 25-65. OPS CHECK GOOD.