What was found
APU FIRE EXTINGUISHING SYSTEM CIRCUIT BREAKER PULLED AND RED COLLARED. CIRCUIT BREAKER RESET AND SYSTEM TESTED SERVICEABLE. SUSPECT CIRCUIT BREAKER PULLED WHEN MEL APPLIED AND NOT RESET WHEN MEL CLEARED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
APU FIRE EXTINGUISHING SYSTEM CIRCUIT BREAKER PULLED AND RED COLLARED. CIRCUIT BREAKER RESET AND SYSTEM TESTED SERVICEABLE. SUSPECT CIRCUIT BREAKER PULLED WHEN MEL APPLIED AND NOT RESET WHEN MEL CLEARED.