What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
(-23) On September 1, 2002, aircraft N178DN a Boeing 767-300, took off on flight 1990/600 heading to atl. During climb after the flaps were moved to the fully up position, the leading edge asymmetry eicas message and warning lights were displayed. The aircraft returned to lax landing safely with 166 passengers on board. Upon returning to the gate, the aircraft was inspected and the left engine core cowls were found to have opened causing heavy damage to the cowling. In addition, the left cowling struck the #5 leading slat. The right cowling struck the lower wing surface causing damage. Also damage was found to the exhaust nozzle, inboard trailing edge flap, 2 small closure panels, and a fitting where the core cowl mounts to the pylon.
As the FAA filed it
(-23) ON SEPTEMBER 1, 2002, AIRCRAFT N178DN A BOEING 767-300, TOOK OFF ON FLIGHT 1990/600 HEADING TO ATL. DURING CLIMB AFTER THE FLAPS WERE MOVED TO THE FULLY UP POSITION, THE LEADING EDGE ASYMMETRY EICAS MESSAGE AND WARNING LIGHTS WERE DISPLAYED. THE AIRCRAFT RETURNED TO LAX LANDING SAFELY WITH 166 PASSENGERS ON BOARD. UPON RETURNING TO THE GATE, THE AIRCRAFT WAS INSPECTED AND THE LEFT ENGINE CORE COWLS WERE FOUND TO HAVE OPENED CAUSING HEAVY DAMAGE TO THE COWLING. IN ADDITION, THE LEFT COWLING STRUCK THE #5 LEADING SLAT. THE RIGHT COWLING STRUCK THE LOWER WING SURFACE CAUSING DAMAGE. ALSO DAMAGE WAS FOUND TO THE EXHAUST NOZZLE, INBOARD TRAILING EDGE FLAP, 2 SMALL CLOSURE PANELS, AND A FITTING WHERE THE CORE COWL MOUNTS TO THE PYLON.