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A jetstream 4100 on approach at 8000 ft declared an emergency due to erratic operation of #1 engine cause unknown.
| Attributes | |
| ACN | 490412 |
| Time | |
| Date | 200011 |
| Day | Thu |
| Local Time Of Day | 1201 To 1800 |
| Place | |
| Locale Reference | airport : iad.airport |
| State Reference | VA |
| Altitude | msl single value : 8000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tracon : iad.tracon |
| Operator | common carrier : air carrier |
| Make Model Name | Jetstream 41 |
| Operating Under FAR Part | Part 135 |
| Navigation In Use | other |
| Flight Phase | descent : intermediate altitude |
| Route In Use | arrival star : jasen one |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 200 flight time total : 4000 flight time type : 1000 |
| ASRS Report | 490 |
| 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 other anomaly other |
| Independent Detector | aircraft equipment other aircraft equipment : #1 eng indications other flight crewa other flight crewb |
| Resolutory Action | flight crew : landed in emergency condition flight crew : declared emergency |
| Consequence | other |
| Supplementary | |
| Problem Areas | Flight Crew Human Performance Aircraft |
| Primary Problem | Aircraft |
Narrative:
While beginning the robrt FMS transition we experienced an erratic left engine. The QRH led us to do a precautionary shutdown of the left engine. An emergency was declared with dulles approach and the flight ended without incident or accident. Callback conversation with reporter revealed the following information: the reporter stated that maintenance findings and corrective action on logbook maintenance write-ups by the flight crew are not reported to the crews. The reporter said the maintenance group is very closed mouth about the corrective maintenance actions. The reporter said the cause of the erratic operation of #1 engine is unknown.
Original NASA ASRS Text
Title: A JETSTREAM 4100 ON APCH AT 8000 FT DECLARED AN EMER DUE TO ERRATIC OP OF #1 ENG CAUSE UNKNOWN.
Narrative: WHILE BEGINNING THE ROBRT FMS TRANSITION WE EXPERIENCED AN ERRATIC L ENG. THE QRH LED US TO DO A PRECAUTIONARY SHUTDOWN OF THE L ENG. AN EMER WAS DECLARED WITH DULLES APCH AND THE FLT ENDED WITHOUT INCIDENT OR ACCIDENT. CALLBACK CONVERSATION WITH RPTR REVEALED THE FOLLOWING INFO: THE RPTR STATED THAT MAINT FINDINGS AND CORRECTIVE ACTION ON LOGBOOK MAINT WRITE-UPS BY THE FLC ARE NOT RPTED TO THE CREWS. THE RPTR SAID THE MAINT GROUP IS VERY CLOSED MOUTH ABOUT THE CORRECTIVE MAINT ACTIONS. THE RPTR SAID THE CAUSE OF THE ERRATIC OP OF #1 ENG IS UNKNOWN.
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.