Narrative:

We picked up [aircraft] to ferry it to ZZZ. This aircraft did have a test flight performed on it earlier with no issues. Due to a late inbound deadhead; we were about 2 hours late. We would arrive at ZZZ after midnight; so fatigue was a concern; despite being rested from before.our aircraft was ready for us with a valid mrd. After a thorough inspection we departed without any event. Approximately 1 hour prior to landing we received a momentary EICAS message for unscheduled stab trim. The incident appeared to be an anomaly as it cleared before we could get the checklist out and the aircraft flew normally. We reviewed the checklist as a precaution and chose to proceed to ZZZ. At this time; while most likely unrelated; we noticed that the right hydraulic qty dropped from its pre-departure level of 1.0 to .78 where it stabilized for the duration of the flight.we elected to conduct a catiii approach into ZZZ (VMC) because it was due for the aircraft. On approach after lowering the gear; we received 3 greens but the gear door light remained illuminated. As we did not have time to get the checklist out; we elected to go-around and troubleshoot. Due to our concern for the gear possibly not cycling correctly; and the fact that we were still indicating 3-greens; we decided not to retract the gear during the go-around. We configured for F5 180 knots. The gear door light went out during the go-around.ATC vectored us around for the visual. During the second approach I noticed that the flap handle did not 'feel right'. In my opinion; it seemed very loose except for around the 15-20 detents were it appeared to almost bind. I was able to select and receive 30 degrees. Then; we performed a normal landing; however; on roll-out the #2 thrust reverser would not deploy. Upon clearing the runway we brought the flaps up; which again; did not feel normal.all of these things were written up and fully debriefed to maintenance.

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Original NASA ASRS Text

Title: B757 First Officer reported that they received a momentary EICAS message for an Unscheduled Stab Trim.

Narrative: We picked up [aircraft] to ferry it to ZZZ. This aircraft did have a test flight performed on it earlier with no issues. Due to a late inbound deadhead; we were about 2 hours late. We would arrive at ZZZ after midnight; so fatigue was a concern; despite being rested from before.Our aircraft was ready for us with a valid MRD. After a thorough inspection we departed without any event. Approximately 1 hour prior to landing we received a momentary EICAS message for Unscheduled Stab Trim. The incident appeared to be an anomaly as it cleared before we could get the checklist out and the aircraft flew normally. We reviewed the checklist as a precaution and chose to proceed to ZZZ. At this time; while most likely unrelated; we noticed that the Right HYD QTY dropped from its pre-departure level of 1.0 to .78 where it stabilized for the duration of the flight.We elected to conduct a CATIII approach into ZZZ (VMC) because it was due for the aircraft. On approach after lowering the gear; we received 3 greens but the Gear Door light remained illuminated. As we did not have time to get the checklist out; we elected to go-around and troubleshoot. Due to our concern for the gear possibly not cycling correctly; and the fact that we were still indicating 3-greens; we decided not to retract the gear during the go-around. We configured for F5 180 knots. The gear door light went out during the go-around.ATC vectored us around for the visual. During the second approach I noticed that the flap handle did not 'feel right'. In my opinion; it seemed very loose except for around the 15-20 detents were it appeared to almost bind. I was able to select and receive 30 degrees. Then; we performed a normal landing; however; on roll-out the #2 Thrust Reverser would not deploy. Upon clearing the runway we brought the flaps up; which again; did not feel normal.All of these things were written up and fully debriefed to Maintenance.

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.