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An ATR42-320 returned to the field immediately after takeoff due to master warning, engine oil light and fluctuating oil pressure caused by low oil quantity in #1 engine.
| Attributes | |
| ACN | 373228 |
| Time | |
| Date | 199707 |
| Day | Thu |
| Local Time Of Day | 0601 To 1200 |
| Place | |
| Locale Reference | atc facility : pit |
| State Reference | PA |
| Altitude | agl bound lower : 300 agl bound upper : 300 |
| Environment | |
| Flight Conditions | VMC |
| Light | Daylight |
| Aircraft 1 | |
| Controlling Facilities | tower : pit |
| Operator | common carrier : air carrier |
| Make Model Name | ATR 42 |
| Operating Under FAR Part | Part 121 |
| Navigation In Use | Other |
| Flight Phase | climbout : takeoff climbout : initial |
| Route In Use | departure other |
| Flight Plan | IFR |
| Person 1 | |
| Affiliation | company : air carrier |
| Function | flight crew : first officer |
| Qualification | pilot : atp |
| Experience | flight time last 90 days : 50 flight time total : 3000 flight time type : 40 |
| ASRS Report | 373228 |
| Person 2 | |
| Affiliation | company : air carrier |
| Function | flight crew : captain oversight : pic |
| Qualification | pilot : atp |
| Events | |
| Anomaly | aircraft equipment problem : critical other anomaly other |
| Independent Detector | other flight crewa other other : unspecified cockpit |
| Resolutory Action | other |
| Consequence | Other |
| Supplementary | |
| Air Traffic Incident | other |
Narrative:
Taking off out of pit on runway 28R just after V1, the master warning light flashed momentarily. Once airborne on our departure leg at approximately 300 ft AGL the master warning light came on followed by a ccas engine oil light and a fluctuating oil pressure indication on engine #1. The indications persisted for approximately 3 seconds and then went back to normal. We decided to come back for a landing at pit. We did so by entering a visual pattern to runway 28R. After we landed we got maintenance to check the #1 engine. Maintenance found the oil level to be 5 quarts low. After oil was added and maintenance checked the #1 engine, we were re-released back to ewr without any further problems.
Original NASA ASRS Text
Title: AN ATR42-320 RETURNED TO THE FIELD IMMEDIATELY AFTER TKOF DUE TO MASTER WARNING, ENG OIL LIGHT AND FLUCTUATING OIL PRESSURE CAUSED BY LOW OIL QUANTITY IN #1 ENG.
Narrative: TAKING OFF OUT OF PIT ON RWY 28R JUST AFTER V1, THE MASTER WARNING LIGHT FLASHED MOMENTARILY. ONCE AIRBORNE ON OUR DEP LEG AT APPROX 300 FT AGL THE MASTER WARNING LIGHT CAME ON FOLLOWED BY A CCAS ENG OIL LIGHT AND A FLUCTUATING OIL PRESSURE INDICATION ON ENG #1. THE INDICATIONS PERSISTED FOR APPROX 3 SECONDS AND THEN WENT BACK TO NORMAL. WE DECIDED TO COME BACK FOR A LNDG AT PIT. WE DID SO BY ENTERING A VISUAL PATTERN TO RWY 28R. AFTER WE LANDED WE GOT MAINT TO CHK THE #1 ENG. MAINT FOUND THE OIL LEVEL TO BE 5 QUARTS LOW. AFTER OIL WAS ADDED AND MAINT CHKED THE #1 ENG, WE WERE RE-RELEASED BACK TO EWR WITHOUT ANY FURTHER 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.