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A B737-200 in position and hold for takeoff declared an emergency and returned to the gate due to smoke in the cockpit caused by deicing fluid leaking past the #1 windshield.
| Attributes | |
| ACN | 430272 |
| Time | |
| Date | 199903 |
| Day | Sat |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : bdl.airport |
| State Reference | CT |
| Altitude | agl single value : 0 |
| Environment | |
| Flight Conditions | IMC |
| Weather Elements | Fog Snow |
| Light | Dusk |
| Aircraft 1 | |
| Controlling Facilities | tower : bdl.tower |
| Operator | common carrier : air carrier |
| Make Model Name | B737-200 |
| Operating Under FAR Part | Part 121 |
| Flight Phase | ground : position and hold |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 150 flight time total : 12000 flight time type : 3000 |
| ASRS Report | 430272 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : multi engine pilot : instrument pilot : commercial |
| Events | |
| Anomaly | aircraft equipment problem : critical maintenance problem : improper maintenance non adherence : published procedure non adherence : far other anomaly other anomaly other |
| Independent Detector | other flight crewa other flight crewb |
| Resolutory Action | aircraft : evacuated flight crew : declared emergency flight crew : took precautionary avoidance action none taken : detected after the fact other |
| Consequence | other other |
| Factors | |
| Maintenance | performance deficiency : repair |
| Supplementary | |
| Problem Areas | Maintenance Human Performance Aircraft |
| Primary Problem | Maintenance Human Performance |
Narrative:
After deicing aircraft we were #1 for takeoff on runway 6 at bdl. Immediately after getting clearance for takeoff, all lights in cockpit went into test function and would not go out. We cleared runway and noticed odor in cockpit. Advised ATC of return to gate. On the way odor got stronger. We called for fire trucks to follow. It took 3-5 mins to get from takeoff position back on to gate. As we approached the gate we noticed smoke from under captain's glareshield. Parked the aircraft and evacuate/evacuationed people out the jetway. Smoke stopped after turning off all electrical equipment. On follow-up with maintenance it was determined that glycol had leaked from captain's windshield behind the instrument panel and shorted out the windshear warning system and the altitude alerting system. Callback conversation with reporter revealed the following information: the reporter stated the aircraft had been reported during the previous days about the captain's windshield leaking fluid. The reporter stated the deicing fluid caused damage to the altitude alert warning and windshear warning light assemblies and wiring. The reporter stated the corrective action was replacement of the window.
Original NASA ASRS Text
Title: A B737-200 IN POS AND HOLD FOR TKOF DECLARED AN EMER AND RETURNED TO THE GATE DUE TO SMOKE IN THE COCKPIT CAUSED BY DEICING FLUID LEAKING PAST THE #1 WINDSHIELD.
Narrative: AFTER DEICING ACFT WE WERE #1 FOR TKOF ON RWY 6 AT BDL. IMMEDIATELY AFTER GETTING CLRNC FOR TKOF, ALL LIGHTS IN COCKPIT WENT INTO TEST FUNCTION AND WOULD NOT GO OUT. WE CLRED RWY AND NOTICED ODOR IN COCKPIT. ADVISED ATC OF RETURN TO GATE. ON THE WAY ODOR GOT STRONGER. WE CALLED FOR FIRE TRUCKS TO FOLLOW. IT TOOK 3-5 MINS TO GET FROM TKOF POS BACK ON TO GATE. AS WE APCHED THE GATE WE NOTICED SMOKE FROM UNDER CAPT'S GLARESHIELD. PARKED THE ACFT AND EVACED PEOPLE OUT THE JETWAY. SMOKE STOPPED AFTER TURNING OFF ALL ELECTRICAL EQUIP. ON FOLLOW-UP WITH MAINT IT WAS DETERMINED THAT GLYCOL HAD LEAKED FROM CAPT'S WINDSHIELD BEHIND THE INST PANEL AND SHORTED OUT THE WINDSHEAR WARNING SYS AND THE ALT ALERTING SYS. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE RPTR STATED THE ACFT HAD BEEN RPTED DURING THE PREVIOUS DAYS ABOUT THE CAPT'S WINDSHIELD LEAKING FLUID. THE RPTR STATED THE DEICING FLUID CAUSED DAMAGE TO THE ALT ALERT WARNING AND WINDSHEAR WARNING LIGHT ASSEMBLIES AND WIRING. THE RPTR STATED THE CORRECTIVE ACTION WAS REPLACEMENT OF THE WINDOW.
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.