What was found
LE FLAPS TRANST LIGHT ILLUMINATED WITH FLAPS AT 2 AND 5, LIGHT EXTINGUISHES ONCE FLAPS SET TO 10. HYDRAULIC SYSTEM B REQUIRES RF. SERVICED HYD IAW AMM 12-12 PSU TESTED OK WITH NO FAULTS IAW AMM 32-09. FSEU BITE CHECKED. NO FAULTS IAW AMM 27-51. INSPECTED LE SLAT AND FLAPS, ALL OK. CYCLED NUMEROUS TIMES,ALL OK. REMOVED NR 8 SLAT ACTUATOR IAW AMM 27-81. INSTALLED THE L/E SLAT ACTUATOR IAW AMM 27-81-41 910423. COMPLIED WITH WIRING CHECKS IAW WDM 27-81-22. NO TROUBLE FOUND. NO FAULTS ON FSEU IAW IAW FIM 27-51.