Eugene,
Can you elaborate on your topology? Im not sure if ge-0/0/3 is supposed to be the interface connecting to one of your APs.
What is the flow of the traffic? Internet->SRX->APs and viceversa?
On what interface are you seeing only network-control being used, ge-0/0/3?
The ports connecting to the APs are configured for ethernet-switching right? what the l3 interface associated to the vlan of those ports?
You mentioned that you have QoS configured on the APs, what exactly is that configuration doing? is tagging the packets being sent to the SRX?
Can you share the QoS configuration on the SRX?
# show class-of-service
> show class-of-service interface ge-0/0/3> show class-of-service interface [interface_facing_internet]
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