Following up this article..The second endoscope operation is planned for 3/26 and 27
Tepco announced the endoscope (20m long) operation on 3/26/2012.
They found out the water level was only 60cm above from the bottom of container vessel in reactor2. Probably the bottom of container vessel is damaged.
The atmospheric temperature was 44.5~44.9℃, temperature of the water was 48.5~50.0℃. Atmospheric dose was 6.1 Sv/h.
The exposure dose of the workers were 5.29mSv/ man・day.
18 employees from Tepco, 16 employees from Toshiba operated from 9:40~12:30 on 3/26/2012.