What was found
AFTER LANDING RECEIVED CABIN SMOKE ALERT. NO SMOKE OR FUMES SEEN. EVACUATED THE ACFT AFTER BLOWING L1 SLIDE. AFTER APPLYING ELECTRICAL POWER THERE WAS NO CABIN SMOKE INDICATION ON OVERHEAD SMOKE DETECTION PANEL. ACCESSED VIA AND AIU NO FAULTS IN CURRENT FAULTS OR FAULT REVIEW. TESTED ALL FIRE SYS, SYS CK GOOD. SMOKE DETECTION FAULT NEVER RETURNED. HUB CHECK CANS DURING OFF LOAD NOTHING ABNORMAL FOUND. RAN AIR SYS TEST, TEST PASSED. MSC RTS GOOD. R & R MSC IAW MM 31-42-01-4 AND ADJUSTMENT TEST 31-42-01-5. OPS CHECK NORMAL. ALSO R & R NR 3 ACU IAW MM. OPS CHECK NORMAL.