NOUS62 TJSJ 242121 FTMJUA THE WFO SAN JUAN WSR-88D (TJUA) CONTINUES DOWN FOR MANDATORY MAINTENANCE AND UPGRADE. THE RETURN TO SERVICE TIME IS NO LATER THAN 27/2130Z. IN THE MEANTIME THE FAA TERMINAL DOPPLER WEATHER RADAR (TSJU) WILL BE FULLY OPERATIONAL. SORRY FOR ANY INCONVENIENCES THIS MAY HAVE CAUSED. /RAM