What was found
AFT-BULK COMPARTMENT SMOKE WARNING AFTER TAKEOFF. DISCHARGED AGENT NR 1 AND LANDED IMMEDIATELY. RELEASED FOR SERVICE PER MEL/CDL: 26-16-01. IDENTIFY FWD, AFT AND/OR BULK) BULK SMOKE DETECTION SYSTEM INOP. NO CARGO IS TO BE CARRIED WITH AFFECTED LOWER DECK COMPARTMENT." BOTH LOWER BULK AND AFT CARGO SMOKE DETECTORS CONNECTORS ARE DISCONNECTED. REMOVED AND REPLACED SMOKE DETECTORS IN LOWER AFT AND BULK CARGO (9WH-B, 44WH-B, 10WH-B, AND 11WH-B). OPS CHECK GOOD IAW A-310-300 MM 26-16-11-4. ALSO REF WRI NR 2612-0297 FOR ALL OTHER WORK PERFORMED.