projects:challenger604:drainmast
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projects:challenger604:drainmast [2019/09/27 04:15] dwheele [Captain's Circuit Break Blown] |
projects:challenger604:drainmast [2019/09/27 04:22] (current) dwheele |
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| ====== Heated Drain Mast ====== | ====== Heated Drain Mast ====== | ||
| - | On the Challenger 604, the forward Drain Mast heater is electrically open. The symptoms reported by the crew are that the circuit breaker keeps popping. | + | On the Challenger 604, the crew reported |
| + | |||
| + | We measured the forward Drain Mast heater and discovered that it is electrically open. | ||
| ^Heated Drain Mast|115677-114|Electrofilm Mfg. Inc.| | ^Heated Drain Mast|115677-114|Electrofilm Mfg. Inc.| | ||
| Line 37: | Line 39: | ||
| ^Result|System seems stable, aft drain mast is obviously heated, measured by feeling it from outside.| | ^Result|System seems stable, aft drain mast is obviously heated, measured by feeling it from outside.| | ||
| + | ^Remaining Steps|We will need to acquire a replacement Forward Drain Mast, and Fill Solenoid Ribbon Heater, and install them.| | ||
| ===== Steps to the Solution, Narrative ===== | ===== Steps to the Solution, Narrative ===== | ||
| Line 76: | Line 79: | ||
| [9/25/2019] We looked at additional locations, including in the tunnel, and in the closet. (We looked in the closet because there was another J103 connector in the tunnel, with wiring traced to the cabin closet. This wiring was evidently part of the emergency lighting system.) While my brother | [9/25/2019] We looked at additional locations, including in the tunnel, and in the closet. (We looked in the closet because there was another J103 connector in the tunnel, with wiring traced to the cabin closet. This wiring was evidently part of the emergency lighting system.) While my brother | ||
| - | was looking in the closet, I was bored and looked in some of the drawers. Noticed when looking | + | was continuing our search by looking in the closet, I rechecked |
| - | in the ice box that there was a panel with screws in the corners. We removed this, and the | + | relay panel was inside. Although we had examined nearly every other drawer in the lower galley area (below the counter), we hadn't noticed this before |
| - | relay panel was inside. Although we had examined nearly every other drawer in the lower galley area (below the counter), we hadn't noticed this before day. | + | |
| **Relay Panel Location** | **Relay Panel Location** | ||
projects/challenger604/drainmast.1569557747.txt.gz · Last modified: 2019/09/27 04:15 by dwheele
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