A B757-200 LNDG GEAR CTL MODULE WAS REPLACED WITH NO GEAR SWING REQUIRED. GEAR PINS WERE INSTALLED AND REMOVED BUT REQUIRED INSPECTION FOR PIN INSTALLATION AND REMOVAL NOT DOCUMENTED.

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THE LNDG GEAR CTL MODULE WAS R&R'ED BY MECH ASSIGNED TO ME; PER MAINT MANUAL 32-31-01-4. NO RIGGING WAS DISTURBED; AND NO GEAR SWING REQUIRED FOR THE APPROPRIATE TEST. THEREFORE; IT WAS NOT THOUGHT TO BE AN RII. UPON RELEASING THE ACFT; WE REALIZED THAT THE ENTRY FOR THE GEAR PINS TO BE INSTALLED OR REMOVED HAD NOT BEEN MADE (FOR THE TESTS). I GENERATED AN ITEM FOR THE GEAR PINS ON THE OUTBOUND PAGE OF THE LOGBOOK; WHICH I LEFT IN THE LOGBOOK. PULL LOGBOOK PAGE WHEN RII IS IN QUESTION. NONE OF THESE ITEMS CONTRIBUTED TO THE INCIDENT IN QUESTION. HOWEVER; IT WOULD BE NICE IF THE MAINT MANUAL WOULD INDICATE WHETHER OR NOT IT IS AN RII. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE RPTR STATED THE LNDG GEAR MODULE REMOVAL AND REPLACEMENT IS NOT A REQUIRED FAA INSPECTION ITEM. THE COMPANY MADE THE INSTALLATION AND REMOVAL OF THE LNDG GEAR PINS AN RII AND A LOGBOOK ENTRY IS REQUIRED AND CLRED WHEN THE PINS ARE REMOVED. THE RPTR FAILED TO MAKE THE LOGBOOK ENTRY BUT THE PINS WERE INSTALLED AND REMOVED PRIOR TO FLT.