What was found
FLAPS WILL NOT REMAIN RETRACTED. FLAPS DROOP (HANG) DOWN AT FL220 & .65 MACH OR 320 KTS INDICATED. FLAP BUZZ IS LOUD AND VIBRATES FUSELAGE UNTIL AIRPLANE IS BELOW 200 KTS INDICATED & 10 DEGREES OF FLAPS SELECTED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLAPS WILL NOT REMAIN RETRACTED. FLAPS DROOP (HANG) DOWN AT FL220 & .65 MACH OR 320 KTS INDICATED. FLAP BUZZ IS LOUD AND VIBRATES FUSELAGE UNTIL AIRPLANE IS BELOW 200 KTS INDICATED & 10 DEGREES OF FLAPS SELECTED.