What was found
LANDING KSLC 16L. EXTENDED LANDING GEAR - ALL 3 GREEN SLOW TO EXTEND - GOT USAFE GEAR INDICATIONON ECAM DIRECTING TO MANUAL EXTEND GEAR, THEN 15-20 SECONDS RECEIVED ALL SAFE GEAR EXTENDED ON BOTH DISPLAYS. - CREW REPORTED PLACING POSITION DET SWITCH IN SYS 1 OR SYS 2 HAD NO EFFECT. -PERFORMED INSPECTION OF DOOR SEQUENCE VALVE SPOOL JAMMING INDICATORS REF M/M 32-20-00-06 3.B.4. INDICATIONS NORMAL. CHECKED GEAR DOOR OPERATION PRESSURIZED REF M/M 32-31-00-05 STEP 7. ALL INDICATIONS NORMAL. NEEDS FURTHER TROUBLESHOOTING. - RELEASED FOR SERVICE PER MEL : 32-XX LANDING GEAR RETRACTION SYSTEM - INOP. MAX SPEED 255 KIAS / 0.65 M. DO NOT USE FMS PROFILE MODE." -01NOV19 05:14 OAK - REMOVED AND REPLACED LANDING GEAR SELECTOR VALVE (3GA) IAW AMM 32-31-12-04. LK CK ******UNABLE TO C/W ELECTROVALVE INSPECTION/CHECK PAGE 4 PARA "E" OF THE SAME AMM*****. AWAITING HYD MULE. A/C FERRY OAK-LAX FOR GEAR SWING AND AVAILABLE TOOLING. -02NOV19 20:00 LAX - PERFORMED SUCCESSFUL INSPECTION/CHECK OF BOTH LANDING GEAR SYS 1 AND SYS 2 REF AMM 32-21-12-06.