Metal Air Pipes
| Condition | Code | Procedure |
|---|---|---|
| Attaching hardware broken | A | Require repair or replacement of hardware |
| Attaching hardware missing | C | Require replacement of hardware |
| Attaching hardware not functioning | A | Require repair or replacement of hardware |
| Broken | A | Require repair of injection tube or replacement of manifold |
| Corroded, affecting structural integrity | 1 | Suggest replacement of injection tube or manifold |
| Leaking | A | Require repair of injection tube or replacement of manifold |
| Loose | A | Require repair |
| Missing | C | Require replacement |
| Restricted | A | Require replacement of injection tube or manifold |
| Threads damaged | A | Require repair |
| Threads stripped (threads missing) | A | Require replacement |