Md-11 first officer reported compressor stall on the number 3 engine during initial climb.

Attributes
ACN	1681454
Time
Date	201909
Local Time Of Day	1801-2400
Place
Locale Reference	ZZZZ.Airport
State Reference	FO
Environment
Flight Conditions	VMC
Aircraft 1
Make Model Name	MD-11
Operating Under FAR Part	Part 121
Flight Phase	Climb
Flight Plan	IFR
Component
Aircraft Component	Turbine Engine
Person 1
Function	First Officer Pilot Flying
Qualification	Flight Crew Instrument Flight Crew Air Transport Pilot (ATP) Flight Crew Multiengine
Events
Anomaly	Aircraft Equipment Problem Less Severe

Narrative:

On departure a compressor stall occurred on the number 3 engine when reducing power from max to climb power. We heard approximately 4 loud bangs and saw erratic N1 indications. We reduced power on the number 3 engine and accomplished the engine compressor stall QRH. Before returning back to [departure airport] we accomplished the fuel dump QRH. Once enough fuel was dumped we returned for an uneventful landing.

Original NASA ASRS Text

Title: MD-11 First Officer reported compressor stall on the Number 3 engine during initial climb.

Narrative: On departure a compressor stall occurred on the Number 3 engine when reducing power from max to climb power. We heard approximately 4 loud bangs and saw erratic N1 indications. We reduced power on the number 3 engine and accomplished the engine compressor stall QRH. Before returning back to [departure airport] we accomplished the fuel dump QRH. Once enough fuel was dumped we returned for an uneventful landing.

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.