no wireless networks detected since latest kernel upgrades

no wireless networks detected since latest kernel upgrades

Unable to detect wireless network since kernel 3.2.0-41. Problem began immediately following kernel upgrade
lspci -nn |grep 0280
03:00.0 Network controller [0280]: Broadcom Corporation BCM43227 802.11b/g/n [14e4:4358]

sudo modprobe wl
FATAL: Module wl not found.
FATAL: Error running install command for wl

sudo lshw -C network
  *-network              
       description: Ethernet interface
       product: NetLink BCM57785 Gigabit Ethernet PCIe
       vendor: Broadcom Corporation
       physical id: 0
       bus info: pci@0000:02:00.0
       logical name: eth0
       version: 10
       serial: dc:0e:a1:96:10:9d
       size: 100Mbit/s
       capacity: 1Gbit/s
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi msix pciexpress bus_master cap_list rom ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
       configuration: autonegotiation=on broadcast=yes driver=tg3 driverversion=3.121 duplex=full firmware=sb ip=192.168.1.3 latency=0 link=yes multicast=yes port=twisted pair speed=100Mbit/s
       resources: irq:16 memory:c0430000-c043ffff memory:c0440000-c044ffff memory:c0450000-c04507ff
  *-network UNCLAIMED
       description: Network controller
       product: BCM43227 802.11b/g/n
       vendor: Broadcom Corporation
       physical id: 0
       bus info: pci@0000:03:00.0
       version: 00
       width: 64 bits
       clock: 33MHz
       capabilities: pm msi pciexpress bus_master cap_list
       configuration: latency=0
       resources: memory:c0500000-c0503fff

iwconfig
lo        no wireless extensions.

eth0      no wireless extensions.

rfkill list all
0: acer-wireless: Wireless LAN
    Soft blocked: no
    Hard blocked: no

uname -a
Linux james-Aspire-5750Z 3.2.0-44-generic-pae #69-Ubuntu SMP Thu May 16 18:50:07 UTC 2013 i686 i686 i386 GNU/Linux

apt-cache policy bcmwl-kernel-source
bcmwl-kernel-source:
  Installed: 6.20.155.1+bdcom-0ubuntu0.0.1
  Candidate: 6.20.155.1+bdcom-0ubuntu0.0.1
  Version table:
 *** 6.20.155.1+bdcom-0ubuntu0.0.1 0
        500 http://us.archive.ubuntu.com/ubuntu/ precise-updates/restricted i386 Packages
        100 /var/lib/dpkg/status
     5.100.82.38+bdcom-0ubuntu6 0
        500 http://us.archive.ubuntu.com/ubuntu/ precise/restricted i386 Packages

lsmod
Module                  Size  Used by
usbmouse               12666  0
usbhid                 41937  0
hid                    77428  1 usbhid
dm_crypt               22528  1
snd_hda_codec_hdmi     31775  1
snd_hda_codec_realtek   174313  1
snd_hda_intel          32719  3
snd_hda_codec         109562  3 snd_hda_codec_hdmi,snd_hda_codec_realtek,snd_hda_intel
joydev                 17393  0
snd_hwdep              13276  1 snd_hda_codec
snd_pcm                80916  3 snd_hda_codec_hdmi,snd_hda_intel,snd_hda_codec
snd_seq_midi           13132  0
snd_rawmidi            25424  1 snd_seq_midi
snd_seq_midi_event     14475  1 snd_seq_midi
snd_seq                51592  2 snd_seq_midi,snd_seq_midi_event
snd_timer              28931  2 snd_pcm,snd_seq
snd_seq_device         14172  3 snd_seq_midi,snd_rawmidi,snd_seq
snd                    62218  16 snd_hda_codec_hdmi,snd_hda_codec_realtek,snd_hda_intel,snd_h