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Air carrier captain reported the oil quantity fluctuated during a flight on an aircraft that had been stationary for a long time.
| Attributes | |
| ACN | 1757452 |
| Time | |
| Date | 202008 |
| Local Time Of Day | 1201-1800 |
| Place | |
| Locale Reference | ZZZ.TRACON |
| State Reference | US |
| Aircraft 1 | |
| Make Model Name | Commercial Fixed Wing |
| Operating Under FAR Part | Part 121 |
| Flight Phase | Final Approach |
| Flight Plan | IFR |
| Component | |
| Aircraft Component | Oil Storage |
| Person 1 | |
| Function | Captain Pilot Not Flying |
| Qualification | Flight Crew Air Transport Pilot (ATP) Flight Crew Instrument Flight Crew Multiengine |
| Events | |
| Anomaly | Aircraft Equipment Problem Less Severe |
Narrative:
Dispatched on a ferry flight aircraft X; from ZZZ to ZZZ1. The aircraft had not been flown in a long time. Departed ZZZ with 18.5 qts on #2 and 18 qts on #1. My first officer was new on the aircraft and restricted. We departed ZZZ uneventfully and all indications were very normal till well into cruise. We both noticed during our checks that the #1 engine oil quantity was decreasing with all other indications being normal and no vibrations present. The oil quantity would decrease then increase. That pattern continued on the descent into ZZZ1. I advised approach control of the situation and we were given vectors to a short final ILS xxl. On final the oil quantity indicated below 4 qts to 3.5. I requested priority handling. With a new first officer I took the airplane and landed uneventfully runway xxl at ZZZ1. Oil quantity increased back to 7.5 qts during taxi in.I was called the night before and given a heads up that the plane had not flown in a long time. Maintenance; my first officer; and myself all did extremely thorough walk-around and internal inspection of the entire cabin. We were well prepared for this ferry flight. These type of maintenance items/events seem to happen to planes that sit for extended periods of time.I believe these planes should not sit for extended periods if that can be avoided somehow.
Original NASA ASRS Text
Title: Air carrier Captain reported the oil quantity fluctuated during a flight on an aircraft that had been stationary for a long time.
Narrative: Dispatched on a Ferry Flight Aircraft X; from ZZZ to ZZZ1. The aircraft had not been flown in a long time. Departed ZZZ with 18.5 qts on #2 and 18 qts on #1. My FO was new on the Aircraft and restricted. We departed ZZZ uneventfully and all indications were very normal till well into cruise. We both noticed during our checks that the #1 Engine Oil quantity was decreasing with all other indications being normal and no vibrations present. The Oil quantity would decrease then increase. That pattern continued on the descent into ZZZ1. I advised Approach Control of the situation and we were given vectors to a short final ILS XXL. On final the oil quantity indicated below 4 qts to 3.5. I requested priority handling. With a new FO I took the airplane and landed uneventfully Runway XXL at ZZZ1. Oil quantity increased back to 7.5 qts during taxi in.I was called the night before and given a heads up that the plane had not flown in a long time. Maintenance; my FO; and myself all did extremely thorough walk-around and internal inspection of the entire cabin. We were well prepared for this ferry flight. These type of Maintenance items/events seem to happen to planes that sit for extended periods of time.I believe these planes should not sit for extended periods if that can be avoided somehow.
Data retrieved from NASA's ASRS site 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.