MIRNEWS.384                                           16 SEPTEMBER 1997
Priroda: Drying out of this module lasted longer than expected. In the 
evening of 11.09 Vinogradov collected 8 liters o f  condense water. 
Kristall: This module is dry.  This is not the case with the SO (docking 
compartment) attached at Kristall.  The crew  supposed that they have to dry 
out this SO in the same way as they do with Priroda. 
On 14.09 TsUP asks Vinogradov whether the crew already used condensation for 
drinking water. Analyses of water samples delivered on earth on 14.08 should  
justify the potable use of water from condensation. Vinogradov said that they 
did n ot thusfar, but that they have used this water for the  refilling of  
the Elektron. 
On 14.09 at 1028UTC the crew got orders to switch off the Ts.V.M.-1 (Main 
OBC).  Telemetry indicated that 2 of the 3 ch annels (possibly interfaces) of 
that computer produced incorrect data.  Due to the better charged 
accumulators this tim e the usual 'chain-reaction'  was not as abrupt as 
during Ts.V.M.-1 failures in the past.  Nevertheless the SUD, the at titude 
control, switched itself off and the gyrodynes slowed down and stopped.  The 
Elektron,  which consumes 1 Kw was switched off.  The complex came in the so 
called 'free drift'.  
When on 15.09 the station passed over here  for the 3d time in orb. 66107 
(0509UTC) the cosmonauts had switched on the Ts.V.M.-1 as well as the SUD.  
This  was only for a short period. Later on both systems were 'off'.  The 
cosmonauts got
 permission to  dismantle the computer and to replace   some  parts and/or 
accessories. At TsUP considerations were going on about the replacement of 
this computer by a reserve which has been  in stock for a
 long time if the repairs might fail. 
At last  the decision  was taken to have the whole computer replaced  and so 
the crew did. In the evening the  cosmonau ts  rebooted the 'new' computer.
In the night from 15 to 16.09 Solovyov was on duty while experts at TsUP 
loaded data in the computer.  As soon as the c omputer was operational the 
attitude of the complex could be stabilised. 
On 16.09 at 02.15.03UTC the orientation was restored in such a manner that  
recharging of the accumulators could begin.
 Radiotraffic revealed that the situation was normalizing. A number of 
systems, among which the Elektron, remained off.
 For oxygen production the cosmonauts  continued to use  'disks' (lithium 
perchlorate cartridges).
The pressure of MIR's atmosphere was 618 mm mercury. 
More computer news:  Progress-M36 has to deliver a brand-new computer in 
October this year. 
Chris Vandenberg, NL-9165/A-UK3202
  
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