What was found
AFTER GEAR SELECTED DOWN, NOSE GEAR WOULD NOT EXTEND, HAD RED GEAR DISAGREE CAS MESSAGE, USED EMERGENCY GEAR EXTENSION, NOSE DOORS OPENED BUT DIDN`T EXTEND. REMOVED AND REPLACED PRIORITY VALVE IAW 32-33-15. REMOVED AND REPLACED SELECTOR VALVE IAW 32-33-10. SERVICED NLG SHOCK STRUT IAW 12-1232-610-803. ALL OPS CHECK GOOD. REMOVED PRIORITY VALVE P/N 4622, S/N 1467A. REMOVED NLG SELECTOR VALVE ASSEMBLY P/N 750006000, S/N 1835. (M)