What was found
AIRCRAFT WAS GNDED. AIR INTERRUPT, EMER DECLARED, LANDING UNEVENTFUL & ACFT WAS OVERWEIGHT. DURING CLIMB, LG WOULD NOT RETRACT. QRH DID NOT FIX. R & R MANUAL EXTENSION LIMIT SWITCH, S1060, IAW AMM 32-34-11. ADJUSTMENT CHECKED IAW AMM 32-34-00. ACCOMPLISHED GEAR SWING IAW AMM 07-11-01. SYS CHECKED NORMAL.