What was found
CONFIGURING FOR APPROACH, FLAPS STUCK AT ZERO. CYCLED WITH NO HELP. FLAPS UP LANDING. SLATS MOVED NORMALLY. FLIGHT DIVERTED. INTERROGATION OF NR 1 SFCC SHOWS MAIN CONTROL VALVE FAULT. NR 2 SFCC SHOWS SFCC FAILED. RESET AND OPERATED ON GREEN SYS WITH NO SFCC FAULTS. REMOVED AND REPLACED SFCC'S 1 & 2 REF AMM 27-51-18-04. SLAT FLAP BITE TEST IS NORMAL. RAN ENGINES PER JRH AND FLAPS OPERATED NORMAL. REF SDR GMM 12-7-600 NR 1 SFCC, P/N 49-095-05, S/N 1221 & NR 2 SFCC, P/N 49-095-05, S/N 639. SEE WRI 27-50-8260 FOR FLAP/EXT SOLENOID R&R.