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An emergency was declared by the flight crew of a B737-300 at FL370 over lar and an in-flight engine shutdown performed when the #1 cowl anti-ice warning light illuminated and would not go out until the flight's landing roll at den, co.
| Attributes | |
| ACN | 552568 |
| Time | |
| Date | 200206 |
| Day | Sun |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | navaid : lar.vortac |
| State Reference | WY |
| Altitude | msl single value : 37000 |
| Environment | |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | artcc : zdv.artcc |
| Operator | common carrier : air carrier |
| Make Model Name | B737-300 |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | other |
| Flight Phase | cruise : level |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| ASRS Report | 552568 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Events | |
| Anomaly | aircraft equipment problem : critical |
| Independent Detector | aircraft equipment other aircraft equipment : cowl anti ice wing lite |
| Resolutory Action | aircraft : equipment problem dissipated flight crew : declared emergency flight crew : diverted to another airport flight crew : landed in emergency condition |
| Consequence | other other |
| Supplementary | |
| Problem Areas | Aircraft |
| Primary Problem | Aircraft |
Narrative:
At FL370, the #1 cowl anti-ice amber warning light illuminated. The light stayed on and would not go out. After talking to maintenance control and dispatch, we had no way of knowing if there was an overtemp, overpressure, or a false indication. We elected to secure the engine to prevent any overtemp or pressure to exist. We secured the engine at FL260 over laramie. CRM was used with maintenance control, dispatch, and flight attendants. Appropriate checklists were used. An emergency was declared. A single engine approach and landing in denver was executed with equipment standing by. The amber alert was canceled on our rollout.
Original NASA ASRS Text
Title: AN EMER WAS DECLARED BY THE FLC OF A B737-300 AT FL370 OVER LAR AND AN INFLT ENG SHUTDOWN PERFORMED WHEN THE #1 COWL ANTI-ICE WARNING LIGHT ILLUMINATED AND WOULD NOT GO OUT UNTIL THE FLT'S LNDG ROLL AT DEN, CO.
Narrative: AT FL370, THE #1 COWL ANTI-ICE AMBER WARNING LIGHT ILLUMINATED. THE LIGHT STAYED ON AND WOULD NOT GO OUT. AFTER TALKING TO MAINT CTL AND DISPATCH, WE HAD NO WAY OF KNOWING IF THERE WAS AN OVERTEMP, OVERPRESSURE, OR A FALSE INDICATION. WE ELECTED TO SECURE THE ENG TO PREVENT ANY OVERTEMP OR PRESSURE TO EXIST. WE SECURED THE ENG AT FL260 OVER LARAMIE. CRM WAS USED WITH MAINT CTL, DISPATCH, AND FLT ATTENDANTS. APPROPRIATE CHKLISTS WERE USED. AN EMER WAS DECLARED. A SINGLE ENG APCH AND LNDG IN DENVER WAS EXECUTED WITH EQUIP STANDING BY. THE AMBER ALERT WAS CANCELED ON OUR ROLLOUT.
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.