As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER T/O BOTH FLAP POINTERS WERE ON 1° WITH THE FLAP LEVER IN UP POSITION, AIRCRAFT RETURNED TO MEX. CLEANED CONNECTORS AT FSEU PERFORMED BITE TEST AND OPERATIONAL TEST IAW AMM 27-58-05 TEST OK, COULD NOT DUPLICATED FAULT, FLAP/SLAT VISUAL CHECK OK.