What was found
MISC / DE CREW DECLARED EMERGENCY DUE TO WOW FAIL CAUTION MSG. FLIGHT SAFELY ON THE GROUND. ON JACKING UP AIRCRAFT, FOUND RT MLG NOT EXTENDING. CHARGE VALVE FOUND INTERNALLY DAMAGED. R/R VALVE ASSEMBLY AND STRUT SEALS. CARRIED OUT GEAR EXTENSION AND RETRACTION TEST. OK FOR SERVICE. (LP# 8440042, 1498083, 1498099, 1498132)