What was found
AFTER TAKEOFF RECEIVED AN MLG AURAL WARNING WITH MLG RAISED. HELD SPEED TO 240KTS & CONTINUED CLIMB. LEVELED AT 8K FT &CYCLED MLG. WITH MLG DOWN & LOCKED WARNING STOPPED. RAISED MLG & CONTINUED CLIMB TO FL230 & WARNING RETURNED AS MLG WAS RAISED. RETURNED TO BASE & NORMAL LANDING. NO OTHER INDS ON ANY SYNOPTIC DISPLAY, ALL INDS NORMAL. ONLY AURAL WARNING PRESENT. ON RETURN WITH MLG DOWN & LOCKED WARNING STOPPED. REF WDM 32-62-01 PG 1, SH 1, RECONNECTED P1-239 & P1-1111 IAW SWPM. INSTALLED CAWS UNIT IAW AMM 31-51-01-2. OPS CHECK GOOD. PERFORMED FCC-1 & FCC-2, FLAP SYS R-T-S IAW AMM 27-54-02-4. OPS CHECK GOOD. OPS TEST OF MLG WARNING SYS, ACFT NOT ON JACKS IAW AMM 32-62-00-5. OPS CHECK GOOD.