B757 captain reported experiencing a pitch-up after landing that led to a go-around.

Attributes
ACN	1722338
Time
Date	202001
Local Time Of Day	1801-2400
Place
Locale Reference	MEM.Tower
State Reference	TN
Environment
Flight Conditions	VMC
Aircraft 1
Make Model Name	B757-200
Operating Under FAR Part	Part 121
Flight Phase	Landing
Flight Plan	IFR
Aircraft 2
Make Model Name	B767 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	Landing
Flight Plan	IFR
Person 1
Function	Captain Pilot Flying
Qualification	Flight Crew Multiengine Flight Crew Air Transport Pilot (ATP) Flight Crew Instrument
Events
Anomaly	Ground Event / Encounter Other / Unknown Inflight Event / Encounter Wake Vortex Encounter

Narrative:

Upon touchdown and landing with flaps 25; the nose aggressively pitched up when the spoilers deployed. The pitch attitude appeared higher than normal and increasing. I could not discern if we had become airborne again. The landing was normal; calm winds; landing behind a boeing 767. At this point my first officer stated...'watch your pitch'. I elected to go around. We carried out the procedure and were vectored back around to land.suspect a flaps 25 landing/ spoiler deployment combined with possible wake from preceding 767. Flaps 30 landing to help prevent a higher pitch attitude upon landing.

Original NASA ASRS Text

Title: B757 Captain reported experiencing a pitch-up after landing that led to a go-around.

Narrative: Upon touchdown and landing with flaps 25; The nose aggressively pitched up when the spoilers deployed. The pitch attitude appeared higher than normal and increasing. I could not discern if we had become airborne again. The landing was normal; calm winds; landing behind a Boeing 767. At this point my First Officer stated...'watch your pitch'. I elected to go around. We carried out the procedure and were vectored back around to land.Suspect a flaps 25 landing/ spoiler deployment combined with possible wake from preceding 767. Flaps 30 landing to help prevent a higher pitch attitude upon 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.