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A SF340's AC generator failed enroute. During landing the chip detect light illuminated. The generator was repaired but no chip defect was found. After takeoff; the chip detect light again illuminated. Upon returning to land a defective chip detector sending unit was found.
| Attributes | |
| ACN | 819112 |
| Time | |
| Date | 200901 |
| Place | |
| Locale Reference | ZZZ.Airport |
| State Reference | US |
| Environment | |
| Flight Conditions | VMC |
| Aircraft 1 | |
| Make Model Name | SF 340B |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Takeoff |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | AC Generation |
| Person 1 | |
| Function | First Officer |
| Qualification | Flight Crew Commercial |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe |
Narrative:
The captain and I had an AC generator failure enroute. We landed and during the landing roll the cwp chimed the engine lookup and we noticed that the right chip detect was illuminated for a couple of seconds and then extinguished. At the gate we notified maintenance about the AC generator and also about the right chip detect light coming on and then going off after landing. The mechanics fixed the AC generator and after running the saab 340 up to check it; maintenance and the captain and I saw that all systems were good. During departure; at 2;000 ft MSL; the right chip detect light illuminated. Conducted the checklist for emergency non-normal. Engine gauges remained in parameters. Notified departure of our intent to land and it was a non-emergency. Entered left downwind for runway 17R and landed runway 17R. Maintenance and company notified of situation. Occurred because of a defective right chip detect sending unit.
Original NASA ASRS Text
Title: A SF340's AC generator failed enroute. During landing the chip detect light illuminated. The generator was repaired but no chip defect was found. After takeoff; the chip detect light again illuminated. Upon returning to land a defective chip detector sending unit was found.
Narrative: The Captain and I had an AC generator failure enroute. We landed and during the landing roll the CWP chimed the engine lookup and we noticed that the right chip detect was illuminated for a couple of seconds and then extinguished. At the gate we notified Maintenance about the AC generator and also about the right chip detect light coming on and then going off after landing. The mechanics fixed the AC generator and after running the Saab 340 up to check it; Maintenance and the Captain and I saw that all systems were good. During departure; at 2;000 FT MSL; the right chip detect light illuminated. Conducted the checklist for emergency non-normal. Engine gauges remained in parameters. Notified Departure of our intent to land and it was a non-emergency. Entered left downwind for Runway 17R and landed Runway 17R. Maintenance and company notified of situation. Occurred because of a defective right chip detect sending unit.
Data retrieved from NASA's ASRS site as of April 2012 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.