What was found
FLT#1680, FLL-DCA. 'DURING CRUISE FLIGHT AT FL310 THE FLIGHT ATT CALLED AND STATED THERE WAS AN EXTREMELY LOUD AIR SEAL TYPE NOISE AT ROW 3 A/C LEFT. CONFIRMED BY DH CA TO BE VERY UNUSUAL WEAR WINDOW 3A; REPLACED AOA SENSOR 3FP1 SEAL ON LH FUSALAGE AND REPLACED LH WING SCAN LIGHT FOR LEAKAGE AND NOISE. SEE LOG 3889907-2 (REMOVED AND REPLACED AOA 3FP1 GASKET INREFERENCE A320 AMM 34-11-19-400-001-A LCK. OPS CHECK GOOD. A/C OK TO CONT.) AND LOG 3889908-1 (REMOVED AND REPLACED LH WING SCAN LIGHT ASSEMBLY AS NEEDED ALL WORK AMM 33 49 11.) FOR DETAIL. CHECKS GOOD AND OK FOR CONT SERVICE AMM 05 53 00 780 003 A.'