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Pilot of an EMS small transport twin return land shortly after departure due to rough running engine due to unexplained low fuel flow. Pilot previously aborted takeoff due to low fuel flow of same engine, but took off after it seemed to react normally.
| Attributes | |
| ACN | 417850 |
| Time | |
| Date | 199810 |
| Day | Fri |
| Local Time Of Day | 1801 To 2400 |
| Place | |
| Locale Reference | atc facility : grb airport : grb |
| State Reference | WI |
| Altitude | msl bound lower : 3000 msl bound upper : 3000 |
| Environment | |
| Flight Conditions | VMC |
| Light | Night |
| Aircraft 1 | |
| Controlling Facilities | tracon : grb |
| Operator | common carrier : air taxi |
| Make Model Name | Any Unknown or Unlisted Aircraft Manufacturer |
| Operating Under FAR Part | Part 135 |
| Flight Phase | climbout : initial climbout : intermediate altitude other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air taxi |
| Function | flight crew : single pilot |
| Qualification | pilot : commercial pilot : instrument pilot : cfi |
| Experience | flight time last 90 days : 150 flight time total : 2000 flight time type : 200 |
| ASRS Report | 417850 |
| Person 2 | |
| Affiliation | government : faa |
| Function | controller : departure |
| Qualification | controller : radar |
| Events | |
| Anomaly | aircraft equipment problem : critical other anomaly other |
| Independent Detector | aircraft equipment other aircraft equipment : unspecified other flight crewa |
| Resolutory Action | flight crew : declared emergency other |
| Consequence | Other |
| Supplementary | |
| Primary Problem | Aircraft |
Narrative:
Everything normal until takeoff roll. Right engine did not show normal fuel flow. I aborted takeoff and ran engine up to ensure full power was being developed by right engine. During second takeoff, I felt fuel flow was better, but during climb out and leveloff, fuel flow still 1/2 of normal. I pulled back mixture 2 notches and engine started to quit. I went back to full rich and back to airport. Landed without problems.
Original NASA ASRS Text
Title: PLT OF AN EMS SMT TWIN RETURN LAND SHORTLY AFTER DEP DUE TO ROUGH RUNNING ENG DUE TO UNEXPLAINED LOW FUEL FLOW. PLT PREVIOUSLY ABORTED TKOF DUE TO LOW FUEL FLOW OF SAME ENG, BUT TOOK OFF AFTER IT SEEMED TO REACT NORMALLY.
Narrative: EVERYTHING NORMAL UNTIL TKOF ROLL. R ENG DID NOT SHOW NORMAL FUEL FLOW. I ABORTED TKOF AND RAN ENG UP TO ENSURE FULL PWR WAS BEING DEVELOPED BY R ENG. DURING SECOND TKOF, I FELT FUEL FLOW WAS BETTER, BUT DURING CLBOUT AND LEVELOFF, FUEL FLOW STILL 1/2 OF NORMAL. I PULLED BACK MIXTURE 2 NOTCHES AND ENG STARTED TO QUIT. I WENT BACK TO FULL RICH AND BACK TO ARPT. LANDED WITHOUT PROBS.
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.