What was found
BEFORE ENGINE START CHECK OF THE FIRE DETECTION SYSTEM, TEST HAD NO TONE. MAINTENANCE REMOVED FIRE CONTROL AMPLIFIER SN 11595 AND INSTALLED SERVICEABLE CONTROL AMPLIFIER 2329. ALL WORK WAS DONE IAW MM. OPS CHECK WAS GOOD. (K)
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
BEFORE ENGINE START CHECK OF THE FIRE DETECTION SYSTEM, TEST HAD NO TONE. MAINTENANCE REMOVED FIRE CONTROL AMPLIFIER SN 11595 AND INSTALLED SERVICEABLE CONTROL AMPLIFIER 2329. ALL WORK WAS DONE IAW MM. OPS CHECK WAS GOOD. (K)