T2-bbstv 230949: this detector was connected to channel B of the current generator, which "in"-switch detection is defect. 
The detector is now connected to channel C. Channel B should not be re-used! (16-06-02).
brssw 22191 (nv43), brssp 22191 (nv44), brst 22191 (nv46) are not installed (shd 01/02).
bsmh/v 660829 (NV40/41) cables are disconnected on the midi module, but are they in the tunnel too? Check next shd (shd 01/02)
btvfn 100123 (nv14): dismounted temporarely (shd01/02)
btvfn/c 610227 (nv53/54): dismounted temporarely (shd01/02)
bsi 610227 (nv50): dismounted temporarely (shd01/02)
bsmh 670058: does not move. Allways on out-switch. Motor or switch problem? (12-9-02)
bbsv 61876, nv22, in-switch stuck. introduced adaptor to by-pass switch function (16-9-03). repaired shd 2004.
T2-bbsth 230949: the in-switch is broken, but motor is correctly working (acoustic diagnosis). (19-04-04) 
bbsh 022325 and bbsv 022325 (BA81) are not used anymore and should be taken out in long shutdown of 2005.