| 1800 | Found reason for QET Return shorted to ground: Tower socket for attaching SQUET to DIB 3 had a bent socket on pin 5, which contacted the tower, thus causing the short. Pushing the socket back into position eliminated all shorts to ground. |
| | Performed several electrical checks during the process of reinstalling the SQUETs, and all values found were expected, and no shorts to ground were found. |
| | The warm-side bypass board for Stripline 20 was removed from the E-Box to prevent Qo Bias from shorting to the QET Return Lines. |
| | When the final screws and heatsinks were attached to the 4K stage, a final electrical check was performed before sealing up. Again all values were found as expected, but a short to ground was found on DIB 1 (Stripline 27) for Feedback Coil D (18kΩ) and Feedback Return D (19Ω). |