What was found
DURING APPROACH, FLAPS SELECTED NO LE OR TE FLAP INDICATED. ACCOMPLISHED QRH FOR INDICATION & ALTERNATE FLAP EXTENSION. FULL EXTENSION ON LE BUT NO INDICATION ON TE FLAPS CONFIRMED VISUALLY. LANDED WITH FLAP HANDLE IN 1 DEGREE POSITION. AFTER LANDING, SELECTED FLAP UP POSITION & NOTICED LE FLAP TRANSIT LIGHT OUT. VISUALLY CONFIRMED THAT LE HAD RETRACTED. CHECKED LUBE ON FLAP DRIVE UNIT. NO MOISTURE OR DEBRIS IN GREASE. REPLACED FLAP PRIORITY VALVE & FLOW LIMITING VALVE IAW MM 27-51-84-404-004 OPS CHECK GOOD. ACCOMPLISHED LEAK & FUNCTIONAL TEST OF FLAP PRIORITY VALVE IAW MM 27-51-84-724-012. OPS & LEAK CHECKED GOOD. REPLACED T/E FLAP BYPASS VALVE, OPS CHECK GOOD PER MM 27-51-82. REPLACED NR 5 FLAP TRANSMISSION BALLSCREW REF MM 27-51-73. REPLACED THE NR 7 FLAP TRANSMISSION & BALLSCREW PER MM 27-51-71. REPLACED NR 3 FLAP BALLSCREW PER MM 27-51-73-404-023. ORIGINAL SUBMISSION DATE: 7/21/2010