What was found
ON DEPARTURE RECEIVED LANDING GEAR RETRACTION FAULT. DOWN AND LOCKED "GREEN" LIGHTS NEVER WENT OUT. FOUND ACFT IN SYS 2 ON ARRIVAL. TALKED TO CAPTAIN OF INBD FLIGHT. TRIED SYS NR1 AS WELL AS SYS NR 2. NO RETRACTION OF LANDING GEAR. ACFT IAW MM 07-11-00-00. WHEN JACKED LT GEAR BOGIE WOULD NOT TILT NOSE FWD WITHOUT STANDING ON IT. FOUND LT PITCH DAMPNER WAY UNDERSERVICED WITH NR 2. SERVICED IAW MM 12-12-32-00. ALSO LUBED ALL GEAR DUE TO BEING VERY DRY IAW MM 12-22-32-00. PERFORMED GEAR SWING IAW MM 32-31-00-5, ON SYS 1 OR 2, NO NOSE DOWN GREEN ARROW OR UNLOCK LIGHT. ALL OTHER GEAR NORMAL. CONTINUED. SWAPPED CONNECTORS 40GBA AND 79GBA AND PROBLEM FOLLOWS. R & R NR 1 SYS BODY ASSY AND SWITCH 40GB IAW MM 32-00-00-04. BOTH SYS OPERATE NORMAL, PERFORMED GEAR SWING IN BOTH SYS 1 AND 2 IAW 32-31-00-5. OPS CHECK NORMAL.