What was found
ENGINEERING REQUEST PAX REPORT OF HOT TEMPS IN THE FWD CABIN. ACCOMPLISH BITE TEST OF NR 1 & NR 2 PACK ZONE TEMP CONTROLLERS AND REPLACE TEMP SENSOR FILTERS. ACFT GROUNDED. ACCOMPLISHED BITE TEST, NUMEROUS TIMES, BOTH PACK/ZONE TEMPERATURE CONTROLLERS REF AMM 21-61-00-700-806-002 IAW TSR STEP 1. NO 1 TEMP CONTROLLER SHOWS NO FAULTS. NO 2, TEMP CONTROLLER SHOWS 2 FAULTS (1) ZONE FAULTS RT FWD CAB TRIM, AND 2 THIS PACK TCV FAULT LIGHT. FOUND DISCONNECTED AIR DUCT/SLEEVE IN E/E LT REF IPC 21-22-07-01, ITEM 60. SECURED SLEEVE/DUCT & REPLACED BOTH FWD & AFT ZONE PAX CABIN TEMP SENSOR FILTERS IAW TSR STEP 2. FOUND THEM SLIGHTLY DIRTY. ABLE TO RESET ZONE FAULT ON NR 2 TEMP CONTROLLER, BUT UNABLE, HARD FAIL,TO RESET THE TCV 2 FAULT LIGHT. REPLACED TCV 2, V141, REF AMM 21-51-10-400-801, OPS CK NORMAL. PULLED & RESET 3 TOTAL C/BS. ACCOMPLISHED STEP 3 TSR, VERIFIED GOOD AIR FLOW FROM ROW 6 THU 17 REF AMM 21-00-00-800-803.