As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ATB - EMERGENCY DECLARED. ON DEPARTURE RETRACTING FLAP LEVER FROM 1 TO UP RECIEVED LE SLAT DISAGREE EICAS MESSAGE WITH INDICATOR STUCK BETWEEN 1 AND UP. IAS WAS 250 KTS WHEN RECIEVED MESSAGE. RESULTED IN OVERSPEED. RESULTED IN ATBC/W FIM 27-51-00 FIG 104. FOUND FSEU MSG 302. R&R'D FLAP/SLAT DEPRESSURIZATION MODULE HYD PRESSURE SWITCH PER MM 27-51-29-201. OPS CHECKS GOOD. C/W PHASE 1 OVERSPEED INSPECTION PER MM 05-51-08 PG 201. NO DEFECTS NOTED. EFF SOURCE REF: IPC 27-51-29-01