Narrative:

While in cruise flight at FL210 (IMC, light rain and turbulence) the flaps and advanced stall warning system lights on the multiple alarm panel came on, as did the control fault light on the flap warning indication panel, as well as one of the nacelle flap bars flashing on the flap annunciator panel. We were at that time with ZDC. We followed (the captain and I) the quick reference handbook steps: verifying flap position indicator -- which was '0.' we pressed the reset (rst) button momentarily. It was unsuccessful, and so we left the flap selector lever in the last selected position (0 degrees). We were now on with dulles approach, and since we were going to have to do a '0' flaps landing, my captain declared an emergency with dulles approach and asked for the longest applicable runway. On landing we used '0' flaps and a vref of flaps 45 plus 35 KIAS. The touchdown was smooth, but upon applying brakes, the wheels on the main gear felt very rough, as if we had blown a tire. So, upon taxiing clear, we had the emergency crews give a quick look at our tires. The emergency crews did not observe any blown tires and we taxied into the gate under our own power. The captain then 'wrote up' the flap system and gear system in the aircraft log to have maintenance examine. In retrospect, we probably didn't need to declare an emergency. But if we erred, we erred on the side of safety, and that's why, just to be safe, I'm filing this NASA report.

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Original NASA ASRS Text

Title: FLC OF AN ACR EMB-120 DECLARED EMER AND LANDED WITH '0' DEGS FLAPS DUE TO FLAP SYS MALFUNCTION INDICATION.

Narrative: WHILE IN CRUISE FLT AT FL210 (IMC, LIGHT RAIN AND TURB) THE FLAPS AND ADVANCED STALL WARNING SYS LIGHTS ON THE MULTIPLE ALARM PANEL CAME ON, AS DID THE CTL FAULT LIGHT ON THE FLAP WARNING INDICATION PANEL, AS WELL AS ONE OF THE NACELLE FLAP BARS FLASHING ON THE FLAP ANNUNCIATOR PANEL. WE WERE AT THAT TIME WITH ZDC. WE FOLLOWED (THE CAPT AND I) THE QUICK REF HANDBOOK STEPS: VERIFYING FLAP POS INDICATOR -- WHICH WAS '0.' WE PRESSED THE RESET (RST) BUTTON MOMENTARILY. IT WAS UNSUCCESSFUL, AND SO WE LEFT THE FLAP SELECTOR LEVER IN THE LAST SELECTED POS (0 DEGS). WE WERE NOW ON WITH DULLES APCH, AND SINCE WE WERE GOING TO HAVE TO DO A '0' FLAPS LNDG, MY CAPT DECLARED AN EMER WITH DULLES APCH AND ASKED FOR THE LONGEST APPLICABLE RWY. ON LNDG WE USED '0' FLAPS AND A VREF OF FLAPS 45 PLUS 35 KIAS. THE TOUCHDOWN WAS SMOOTH, BUT UPON APPLYING BRAKES, THE WHEELS ON THE MAIN GEAR FELT VERY ROUGH, AS IF WE HAD BLOWN A TIRE. SO, UPON TAXIING CLR, WE HAD THE EMER CREWS GIVE A QUICK LOOK AT OUR TIRES. THE EMER CREWS DID NOT OBSERVE ANY BLOWN TIRES AND WE TAXIED INTO THE GATE UNDER OUR OWN PWR. THE CAPT THEN 'WROTE UP' THE FLAP SYS AND GEAR SYS IN THE ACFT LOG TO HAVE MAINT EXAMINE. IN RETROSPECT, WE PROBABLY DIDN'T NEED TO DECLARE AN EMER. BUT IF WE ERRED, WE ERRED ON THE SIDE OF SAFETY, AND THAT'S WHY, JUST TO BE SAFE, I'M FILING THIS NASA RPT.

Data retrieved from NASA's ASRS site as of July 2007 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.