What was found
BTL LOW CARGO A & B STATUS MESSAGE(<P>REMOVED AND REPLACED LOWER CARGO FIRE EXTINGUISHER BOTTLE A IAW AMM 26-23-01/401 & IPC 26-20-01-03. OPS CHECK AND LEAK CHECK GOOD. R & R LOWER CARGO FIRE EXT BOTTLE B, C, & D IAW AMM 26-23-01/401 AND IPC 26-24-01-05. REPLACED AFT CARGO AFOLTS FIRE CARD IAW AMM 26-10-01/401 AND IPC 26-10-01-10, OPS CHECK GOOD. REPLACED LWR AFT ZONE 1 LOOP FIRE CARD, AFT ZONE 1 LOOP B, LWR AFT ZONE 1 LOOP, AND REPLACED LWR CARGO FIRE EXTINGUISHER FILTER/DRYER IAW AMM 26-23-04/401 AND AIPC 26-23-00-06. ALL OPS CHECK GOOD.</P>)