What was found
AN ELECTRICAL ODOR IN BACK BAGGAGE COMPARTMENT NEAR NR 1 SMOKE DETECTOR. REMOVED AND REPLACED NR 1 SMOKE DETECTOR AS A PRECAUTION IAW AMM 26-12-01-000-801 / 400-801 OPS TEST GOOD. ELECTRICAL ODOR STILL EXISTS. REMOVED FORWARD AFT BAGGAGE COMPARTMENT LIGHT ASSY IAW AMM TASK 33-31-01-000-801. INSTALLED SERVICABLE LIGHT ASSY IAW AMM TASK 33-31-01-400-801. OPS CHECK PASSED. LT LIGHTS IN AFT CARGO COMPARTMENT ON FOR APPROX. 30 MINUTES. NO ELECTRICAL ODOR PRESENT DURING OR AFTER OPS CHECK. RETURNED TO SERVICE.