As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON PREFLIGHT TRANSIT, FOUND COCKPIT EMERGENCY INTERPHONE INOPERATIVE. TROUBLE SHOT SYSTEM AND FOUND NR 2 AUDIO ACCESSORY UNIT INOPERATIVE. REMOVED AND REPLACED NR 2 AUDIO ACCESSORY UNIT IAW 24-41-01. OPS CHECK GOOD. RETURNED AIRCRAFT TO SERVICE. (M)