As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: FLAPS DID NOT EXTEND FROM UP POSITION, EXTENDED LEADING EDGE DEVICES USING ALTERNATE FLAPS SWITCH. PERFORMED FDR DOWNLOAD REF WORK CARD 08L21031001 NO OVERSPEED DETECTED.PERFORMED OPERATIONS CHECK OF TRAILING EDGE FLAPS PER AMM 27-51-00 OPERATION CHECK GOOD NO DEFECTS NOTED AT THIS TIME.