What was found
FLAP FAILED ON TAKEOFF. FLAPS STUCK AT 9 DEGREES AND WOULD NOT MOVE. CMC MSG FLAP LH TRANSMISSION FAIL. CMC SHOWED NO NEW MESSAGES, PERFORMED OPS CHECK I.A.W AMM 27-51-00-700-801-A. OPS CHECK GOOD. INSPECTED APPLICABLE CANNON PLUGS FOR LOOSENESS FOUND P1247 FOR L/H FLAP XMSN BK TRAILING EDGE SLIGHTLY LOOSE, TIGHTENED AS REQUIRED. PERFORMED GVI OF THE MECHANICAL LINE REF 27-51-00-200-801-A/600 NO DEFECTS NOTED. PERFORMED FLAPS OPS CHECK IAW AMM 27-51-00-700-801-A OPS CHECK GOOD. A//C GOOD FOR SERVICE.