B747-400 first officer reported noticing 'rhythmic jolts' during climbout followed by a number 1 eng...

Narrative:

Climbing out of ZZZZ; around FL200; we noticed rhythmics jolts in the aircraft and saw the number 1 engine surging with a high egt. After addressing the problem with the immediate action items followed by the QRH checklist; we no longer had control over the engine and decided to return to ZZZZ. First officer in the right seat was PF; ca in left seat; pm; managed the situation; ran immediate action items and set-up the return; fos in the observer seats ran QRH; obtained weather and performance; contacted operations and company. CRM and task distribution worked exactly as they should. Due to the still unusually high egt; we shut the engine down in our descent. We landed normally.

Original NASA ASRS Text

Title: B747-400 First Officer reported noticing 'rhythmic jolts' during climbout followed by a Number 1 Engine surge and high EGT. Flight decided to return to the departure airport and shut down the engine during the approach.

Narrative: Climbing out of ZZZZ; around FL200; we noticed rhythmics jolts in the aircraft and saw the Number 1 engine surging with a high EGT. After addressing the problem with the immediate action items followed by the QRH checklist; we no longer had control over the engine and decided to return to ZZZZ. FO in the right seat was PF; CA in left seat; PM; managed the situation; ran immediate action items and set-up the return; FOs in the observer seats ran QRH; obtained weather and performance; contacted Operations and company. CRM and task distribution worked exactly as they should. Due to the still unusually high EGT; we shut the engine down in our descent. We landed normally.

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.

Attributes
ACN	1709222
Time
Date	201912
Local Time Of Day	1801-2400
Place
Locale Reference	ZZZZ.ARTCC
State Reference	FO
Aircraft 1
Make Model Name	B747-400
Operating Under FAR Part	Part 121
Flight Phase	Climb
Flight Plan	IFR
Component
Aircraft Component	Engine
Person 1
Function	First Officer Pilot Flying
Qualification	Flight Crew Air Transport Pilot (ATP)
Events
Anomaly	Aircraft Equipment Problem Critical

B747-400 first officer reported noticing 'rhythmic jolts' during climbout followed by a number 1 engine surge and high egt. Flight decided to return to the departure airport and shut down the engine during the approach.