Some notes Regarding ACARS messages...
00:26Z 3044 ANTI ICE R WINDOW
00:26Z 561200 R SLIDING WINDOW SENSOR
00:26Z 2600 SMOKE LAVATORY SMOKE
00:27Z 2600 AVIONICS SMOKE
00:28Z 561100 R FIXED WINDOW SENSOR
00:29Z 2200 AUTO FLT FCU 2 FAULT
00:29Z 2700 F/CTL SEC 3 FAULT
Source Document
http://www.gauci.info/gone2fly/A320%...tes%202004.pdf
An extraction fan draws air from the cabin through the lavatories and
galleys and exhausts it near the outflow valve. The extraction fan runs
continuously when electrical power is available.
My observation -> If there is smoke in the cabin, it will be drawn into the lavatories to the smoke detector. Smoke source not necessarily in the lavatory.
In Smoke Configuration the main bus bars are shedded. Same as
emergency electrical configuration except that the fuel pumps are
connected upstream of the GEN 1 line contactor. 75% of equipment is
shed, all that is remained is supplied from the CBs on the overhead panel.
• A smoke detector in the air extraction duct detects smoke in the avionics
compartment. If smoke is detected for more than 5 min it can be cleared
but remains latched. A dual FCU reset on ground can de-latch it.
• One smoke detector is in each lavatory. It sends signals to an SDCU
(Smoke Detection Control Unit) which in turn sends signals to the FWC and
CIDS.
Flight Controls
• Flight control surfaces are electrically controlled and hydraulically activated.
• The stabilizer and rudder can be mechanically controlled.
• There are seven Flight Control Computers:
o Two ELACs
Normal elevator and stabilizer control.
Aileron control.
o Three SECs
Spoiler control.
Standby elevator and stabilizer control.
o Two FACs
Electrical rudder control.
• Also, there are two FCDC (Flight Control Data Concentrators) which
acquire data from the ELACs and the SECs and send it to the CFDS and
EIS
SEC 3 – Controls Spoiler 2.
If a SEC fails, its spoilers are retracted.
Speedbrake
• The Speedbrake is made up of spoilers 2, 3 and 4.
• Extension is inhibited if:
o SEC 1 and SEC 3 have faults.
Flight Control - Mechanical Backup
• Mechanical backup happens in the case of a complete loss of electrical
power.
• Pitch is controlled manually using the THS. (Trimmable Horizontal Stabilizer)
• Lateral control is through the rudders.