A320 captain reported receiving 'return to gate' message after departure followed by 'okay to procee...

Attributes
ACN	1539028
Time
Date	201805
Local Time Of Day	0601-1200
Place
Locale Reference	ZZZ.Airport
State Reference	US
Environment
Flight Conditions	VMC
Aircraft 1
Make Model Name	A320
Operating Under FAR Part	Part 121
Flight Phase	Initial Climb
Flight Plan	IFR
Person 1
Function	Captain
Qualification	Flight Crew Air Transport Pilot (ATP) Flight Crew Instrument Flight Crew Multiengine
Experience	Flight Crew Total 9455 Flight Crew Type 5094
Events
Anomaly	Deviation - Procedural Hazardous Material Violation Deviation - Procedural Published Material / Policy

Narrative:

Prior to departure; release 1; mrd current; no dg. Had final weights prior to taxi. After takeoff; ACARS message to return to gate. Message time stamped [same time as] off time. During climb sent dispatch message we were already airborne. Load planning sent message biological item; not spillable; okay to proceed. We sent dispatch a message regarding load planning message okay to proceed; and asking dispatch if we had a safety of flight issue. Dispatch responded he saw load planning message regarding okay to proceed and agreed no safety of flight issue. Prior to descent sent one last message as to what was actually the item in question. Busy during the descent and called upon landing; dispatch said he had sent a message; he was told it was bio-medical and under a certain weight and did not need paperwork/notification associated with it.

Original NASA ASRS Text

Title: A320 Captain reported receiving 'Return to Gate' message after departure followed by 'Okay to proceed to destination' due to incorrect loading of biological material in cargo bin.

Narrative: Prior to departure; release 1; MRD current; no DG. Had final weights prior to taxi. After takeoff; ACARS message to return to gate. Message time stamped [same time as] off time. During climb sent Dispatch message we were already airborne. Load Planning sent message biological item; not spillable; okay to proceed. We sent Dispatch a message regarding Load Planning message okay to proceed; and asking Dispatch if we had a safety of flight issue. Dispatch responded he saw Load Planning message regarding okay to proceed and agreed no safety of flight issue. Prior to descent sent one last message as to what was actually the item in question. Busy during the descent and called upon landing; Dispatch said he had sent a message; he was told it was bio-medical and under a certain weight and did not need paperwork/notification associated with it.

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.

A320 captain reported receiving 'return to gate' message after departure followed by 'okay to proceed to destination' due to incorrect loading of biological material in cargo bin.