Boeing 777 captain reported dangerous goods on board were not properly documented for the flight.

Attributes
ACN	1446350
Time
Date	201705
Local Time Of Day	0001-0600
Place
Locale Reference	ZZZ.Airport
State Reference	US
Aircraft 1
Make Model Name	B777 Undifferentiated or Other Model
Operating Under FAR Part	Part 121
Flight Phase	Parked
Flight Plan	IFR
Person 1
Function	Captain
Qualification	Flight Crew Air Transport Pilot (ATP)
Events
Anomaly	Deviation - Procedural FAR Deviation - Procedural Hazardous Material Violation Deviation - Procedural Published Material / Policy Flight Deck / Cabin / Aircraft Event Other / Unknown

Narrative:

I was notified that our flight to ZZZ; had dangers goods (dg) in 1L that was not properly documented as being air driven generator. It appears that the dg was properly manifested to the unit loading device (uld); but the [ramp] agent did not manifest that dg to our flight.

Original NASA ASRS Text

Title: Boeing 777 Captain reported dangerous goods on board were not properly documented for the flight.

Narrative: I was notified that our flight to ZZZ; had Dangers Goods (DG) in 1L that was not properly documented as being ADG. It appears that the DG was properly manifested to the Unit Loading Device (ULD); but the [ramp] agent did not manifest that DG to our flight.

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.