As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ALL CREW REST SMOKE DET WENT OFF DUE TO PACKS . L/H ACM SEIZED, FAILED TORQUE CHECK, REF FIM 21-52 TASK 818.REMOVED ACM L PER AMM 21-52-02 COMPLETED INSTALLATION OF ACM IN REF TO AMM 21-52-02-400-801 UP TO ITEM J, ACM INSTALLATION TEST PASSED AND CONDENSER TEST ACCEPTABLE