What was found
UPON ACFT ARRIVAL GATE RETURN VERBALLY ADVICED BY FLIGHT CREW FLAP SYST 2 FAULT . PFR SHOWING FLP2 PCU VALVE BLOCK 24CV VALVE SENSOR. SEE TSM PICTURE OF PFR 27-51-00-810-852-A. 27-54-53-000-001-A VERIFIED VALVE BLOCK OF THE POWER CONTROL UNIT (FLAP) WAS REMOVED REF. AMM 27-54-53-000-001-A TS SYSTEM REF TSM 27-51-00-810-852-A PERFORMED BITE TEST, COULD INSTALLED FLAP 2 PCU VALVE BLOCK REF AMM 27-54-53-400-001-A UP NOT CONFIRM FAULT ON GROUND, WENT TO TROUBLSHOOTING DATA & SHOWS TO STEP C(2). PARTS USED: 1838566,QTY :1 FAULT "FLP2 PCV VALVEBOOK 24CV WITH FAULT CODE 005" REMOVED ROTABLE PARTS CHANGE WAS INDICATED - TT # 1838566 SN OFF 6531 VALVE BLOCK OF THE POWER CONTROL UNIT FLAP 24CV REF AMM ADD EMP:U235684 IPC REFERENCE # 27-54-53-01 COMPLETED STEPS C.3 THRU STEP E.B REF AMM27-54-53.OPS CHECK NORMAL VALVE, FLAP PCU OFF 31-2753-9-9002 6531 ON 31-2753-9-9002 0237