First officer reported fatigue from aircraft maintenance problems and did not think it was safe to f...

Attributes
ACN	1678836
Time
Date	201908
Local Time Of Day	1801-2400
Place
Locale Reference	ZZZ.Airport
State Reference	US
Environment
Flight Conditions	VMC
Aircraft 1
Make Model Name	B777 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	Takeoff
Flight Plan	IFR
Component
Aircraft Component	Hydraulic Main System
Person 1
Function	Pilot Not Flying First Officer
Qualification	Flight Crew Air Transport Pilot (ATP) Flight Crew Instrument Flight Crew Multiengine
Experience	Flight Crew Last 90 Days 249 Flight Crew Total 5372 Flight Crew Type 1609
Person 2
Function	Captain Pilot Flying
Qualification	Flight Crew Instrument Flight Crew Air Transport Pilot (ATP) Flight Crew Multiengine
Experience	Flight Crew Last 90 Days 138 Flight Crew Total 7412 Flight Crew Type 76
Events
Anomaly	Aircraft Equipment Problem Less Severe Deviation - Procedural FAR Deviation - Procedural Published Material / Policy

Narrative:

I was fatigued from operational issues related to managing the hydraulic failure and emergency air return to ZZZ. My fatigue was also related to the all-night flight from ZZZ1 to ZZZ that morning with day sleep in the field layover hotel. I was too fatigued to accept duties associated with completing an additional flight to ZZZ1; especially with an unknown departure and arrival time. If the flight had somehow managed to depart in the next hour after our block in; I knew that I would still be too fatigued on arrival to safely respond to anything beyond a routine arrival.

Original NASA ASRS Text

Title: First Officer reported fatigue from aircraft maintenance problems and did not think it was safe to fly.

Narrative: I was fatigued from operational issues related to managing the hydraulic failure and emergency air return to ZZZ. My fatigue was also related to the all-night flight from ZZZ1 to ZZZ that morning with day sleep in the field layover hotel. I was too fatigued to accept duties associated with completing an additional flight to ZZZ1; especially with an unknown departure and arrival time. If the flight had somehow managed to depart in the next hour after our block in; I knew that I would still be too fatigued on arrival to safely respond to anything beyond a routine arrival.

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.

First officer reported fatigue from aircraft maintenance problems and did not think it was safe to fly.