What was found
CREW REPORTED A BURNING ODOR AND CRACKING SOUND BEHIND THE CAPTAINS SEAT AFTER THE APU FAILED. REPLACED THE APU LINE CONTACTOR. AIRCRAFT RETURNED TO SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CREW REPORTED A BURNING ODOR AND CRACKING SOUND BEHIND THE CAPTAINS SEAT AFTER THE APU FAILED. REPLACED THE APU LINE CONTACTOR. AIRCRAFT RETURNED TO SERVICE.