What was found
ON CLIMB-OUT WHEN FLAP HANDLE WAS RAISED FROM 5 DEG TO 2 DEG, OBSERVED THE INBD FLAP GAUGE STOPPED AT 3/4 DEG. INBD FLAPS INDICATOR REMAINED AT 3-4 DEG FOR LNDG. QRH ACCOMPLISHED. INSP ALL FLAPS AND DISCOVERED LT INBD FLAP INBD JACKSCREW FAIRING END RETAINING NUT AND CAP MISSING, ALLOWING FAIRING TO SHIFT OUT OF POSITION AND LODGED BETWEEN JACKSCREW AND FUSELAGE STOPPING FLAPS FROM FULLY RETRACTING. REPLACED CAP AND NUT REF IPC 57-30-00-46, PER MM 27-51-022. OPS CKS OK.