What was found
SMOKE: LAVATORY DET FAULT. APPEARS TO HAVE CAUSED LOSS OF INTERCOM CAPABILITY W/CABIN, OTHER ISSUE. CIDS RESET REGAINED COM W/ FA ON RT SIDE ONLY. +3L + 2L. FAP SHOWS LAV 1L FAULT. SDF 1 + 2 RESET W/NO CHANGE. ALSO FAP 1L DR NOT PRESSURISED. TSM TASK 26-17-00-810-823-A C/OUT INITIAL EVALUATION CIDS INTERFACE TEST AND L;AV SMOKE DETECTION SYSTEM TEST C/OUT IAW AMM 23-73-00-740-801 AN AMM 26-17-00-710-802 -A. TEST OK. SYSTEM RESET OK FOR SERVICE. CIDS DIRECTOR 1 AND 2 RESET AND CIDS POWER UP INTERFACE TEST C/OUT IAW AMM 23-73-00-710-740-801-A. OK FOR SERVICE