What was found
PDIS 575 32-30 4634 21JUN17 IND OPEN U ON TAKE OFF OUT OF JFK, WE HAD 4 UNSAFE GEAR INDICATIONS ON THE PRIMARY AND SECONDARY INDICATORS AFTER RAISING THE GEAR HANDLE. AS PER THE QRH, WE LOWERED THE GEAR HANDLE AND HAD 4 DOWN AND LOCKED. RAISED THE GEAR HANDLE AGAIN, OBTAINED 4 UP AND LOCKED INDICATIONS ON BOTH THE PRIMARY AND SECONDARY INDICATORS. FACT 21JUN17 17:48 IND JACKED A/C IAW AMM 7-11-00-2. ACCOMPLISHED SEVERAL GEAR EXTENSIONS AND RETRACTIONS WITH NO FAULTS OR INDICATION FAULTS. LANDING GEAR CHECKS NORMAL IAW AMM 32-31-00-5. REMOVED AND REPLACED PSEU (PRECAUTIONARY) IAW AMM 31-71-01-2. ACCOMPLISHED FUNCTIONAL CHECK OF PSEU IAW AMM 31-71-01-7. PSEU CHECKS NORMAL, NO FAULTS NOTED. ACCOMPLISHED SEVERAL GEAR SWINGS IAW 32-31-00-5. ALL GEAR EXT AND RET CHECKS NORMAL. REMOVED A/C FROM JACKS TO NORMAL CONFIG IAW AMM 07-11-00-2. (SDR INFO: PSEU. MFG'R=ELDEC. PN= 8-598-03, S/N 128).