What was found
DURING APPROACH, RECEIVED A TE FLAP DISAGREE. RAN QRH & DECLARED AN EMERGENCY, LANDED UNEVENTFULLY. INSPECTED OVERLOAD INDS ON LT & RT, INBD & OTBD FLAPS & FOUND RT INBD FLAP INBD TRANSMISSION OVERLOAD IND TRIPPED. UPON ENTERING FLIGHT DECK FOUND LE ALTERNATE SWITCH IN ALTERNATE & TE SWITCH ALTERNATE SWITCH IN NORMAL WITH ALTERNATE FLAP SWITCH SET TO 25 & FLAP HANDLE AT 25, FLAP INDICATION AT 20. T/E FAULT LIGHT ILLUMINATED & TE FLAPS DISAGREE FAULT MESSAGE PRESENT. INSPECTED FLAPS & FOUND SEVERAL BALL SCREWS & GIMBLES DRY. CLEANED & LUBED TE FLAP SYSTEM IAW AMM 12-21-09-3. INSPECTED FLAP XMISSIONS, DRAINED & SERVICED XMISSION 1 - 4 & 6 - 8 IAW AMM 12-13-06-3. FOUND NR 5 FLAP XMISSION OVERTORQUE BUTTON TRIPPED, REPLACEMENT, SERVICE & LUBE OF NR 5 XMISSION, NR 5 TE FLAP SYS. AMM: 27-58-01-5 R & R RT INBD NR 5 & 8 FLAP XMISSION IAW AMM 27-51-06-4, OPS TEST OK