Chapter 13
Chapter Thirteen
Reyes
BOUNDARY CONTINUITY LOST
LOCALIZED FAILURE
For half a second, I do nothing.
The body knows before the mind becomes useful. Heart rate steady. Breathing steady. Hands steady around the diagnostic unit. The tunnel narrows down to distances, surfaces, exits.
Seventeen steps back to the junction. Forty-one to the maintenance hub if E-4 remains clear. Fifty-eight if the service lock behind me seals and I have to take lateral six.
Two minutes to sub bay access at a controlled run. Three minutes thirty with someone injured. Four minutes if carrying weight and the floor is wet.
There’s no water on the floor. I check anyway.
The wall under my palm vibrates wrong. That’s not new.
I lift the handheld closer.
The system’s trying to recover. I see the attempts in the live feed, little pulses of current sent through the boundary line at staggered intervals.
Node seven doesn’t answer cleanly. Node six spikes, compensating.
Node four drops, then steadies. The boundary map shows a thin dead gap along the east basin wall.
Localized. People like localized. It lets them imagine borders around consequence.
I don’t like localized. Localized is where failure puts its first tooth.
I enter the manual diagnostic.
It runs the same test again because machines are optimists with better casing.
Same result.
BOUNDARY CONTINUITY LOST.
I take one photograph of the screen, then another of the node casing, then switch my radio to a direct channel.
“Operations, this is Reyes. Mark east conduit four restricted. Engineering access only. No guest impact messaging.”
Lina answers from overnight operations, voice calm. “Copy. Reason?”
“Boundary maintenance.”
“Copy,” she says. “Boundary maintenance. Do you need security?”
“Not yet.”
I end the call and look at the access hatch leading into the boundary service cavity.
The hatch is sealed. Indicator green. Everything loves green tonight.
The failed section sits beyond that hatch, between the inner maintenance wall and the outer basin barrier.
Narrow space. Service ledge. Boundary infrastructure.
Not designed for people to spend time in, just enter, repair, leave.
The kind of place that forgives no panic and very little poor planning.
No solo access has been policy since Maren changed the rules. My own recommendation sits inside the rule. No solo maintenance access in east infrastructure. No exceptions.
The node is failed now. That changes the math.
I open the hatch.
Cold air breathes out.
No water. No alarm. No immediate pressure change.
I step inside and close the hatch behind me.
The service cavity is darker than the corridor.
My headlamp catches steel struts, conduit bundles, embedded boundary lines, the dull curve of the outer reinforcement wall beyond the service ledge.
The space is half a meter wide at its best point and meaner than that near the junction. I have to turn sideways to move.
The air smells wrong.
Wet has a signature: salt, coolant, condensation, human plumbing. Reef water if things have become very bad.
This is organic. Faint. Mineral-sweet. Old shell. A trace of rot with the volume turned low.
I stop and listen.
Air handling through the upper vent. Distant pump cycle. The low, uneven pulse of the failed node trying to pull current through a broken path.
I continue.
Five steps in, I find a mark.
It’s on the boundary conduit casing, low and to the right, where the outer support bracket meets the embedded line. A crescent scrape.
I crouch.
The casing is scored through the surface coating and into the composite beneath. Three shallow passes, then one deep one. Angles slightly different.
Test. Adjust. Test again.
I take photographs. Wide. Close. Scale marker. Angle reference.
The engineer in me becomes very quiet.
There’s a kind of respect that feels like nausea.
Whatever made this didn’t simply collide with the boundary line. It found resistance, moved along it, returned, and chose the weak point near the bracket where load, access, and material transition met.
That’s assessment.
I document the depth of the mark. Two point three millimeters at the deepest point. Surface coating fully removed. Composite scored. No exposed wiring at the scrape itself.
The failure point is farther along.
I move sideways through the cavity. Eight steps from hatch. Twelve to exit. Seventeen back to corridor if the hatch opens cleanly.
At the failed node, the boundary line casing has been chewed. That’s the only accurate word.
Small paired gouges cluster around the insulation seam, overlapping in uneven arcs. The outer sheathing is torn enough to expose the conductive layer beneath. The layer is severed in two places. Broken by pressure and repeated abrasion.
Bite marks.
I don’t say the words out loud. The cavity is too narrow for words like that. I take photos. Then measurements. Then more photos.
The handheld shows residual current bleed at six percent and falling. Node seven is dead. Adjacent nodes compensate, which means the system will call this localized until the added load begins teaching them to fail too.
I collect a sample from the casing edge. Pale residue flakes off under the tweezers, thin and brittle. Chitinous, likely. Another unknown fragment to put beside the one from suite six.
Below the casing, on the service ledge, there’s a smear.
It’s not oil, coolant, or anything this section has permission to contain.
Translucent. Clear at the edges, milky near the center. Viscous enough to hold shape along the textured ledge, drying into a faint film where air circulation has reached it. The surface underneath hasn’t been wet since installation.
I inspected this section eleven days ago. I use a sterile swab and collect from the center of the smear.
The smell is stronger there. Mineral-sweet. Brine. Shell. Something older than mammal fear and less kind than rot.
My radio clicks once with static.
I freeze.
Nothing follows.
The cavity presses close around me. My shoulders touch both sides if I breathe too deeply. The headlamp beam throws the bite marks into relief, little shadows inside each gouge. A wall with teeth in it.
My body remains calm. Training and damage cooperating. I document the smear. The gouges. The failed line. The bracket. The distance from floor. The angle of approach. The clearances.
Seventeen centimeters from ledge to casing underside. Nine centimeters between conduit bundle and outer reinforcement strut at the narrowest point. Four centimeters of scrape transfer on adjacent bracket.
Whatever came through compressed itself or folded or was built with a body plan that regards narrowness as a suggestion.
A faint sound moves through the cavity. I turn my headlamp toward it.
Nothing.
Then again. Soft. Wet. A drag through a space too tight for dragging.
I switch off the main lamp.
The dark arrives complete. For one second, there’s only the sound of my breathing and the pulse in my ears. Then the boundary line tries to cycle again.
A weak red glow flickers from the dead node, barely enough to outline the conduit and the wet sheen on the ledge.
Beyond the failed section, deep in the service gap where the cavity narrows toward the basin wall, something glistens.
A pale curve. A segment. A thread of wet body or flexible shell sliding through dark.
There and gone.
No alarm. No movement sensor. No sound now except the facility attempting to pretend it remains itself.
I switch the lamp back on. The gap is empty. I take a photograph anyway. The image shows conduit, darkness, a smear of light where my own beam hits residue.
Nothing useful.
I stand carefully. Too fast and the shoulder catches the pipe. Too slow and the mind has time to invent. I mark the failed node with hazard tape and lock the local override. Then I back out of the cavity because turning around isn’t possible until the hatch.
Nine steps.
Eight.
Seven.
Don’t think about the sound.
Six.
Don’t think about bodies compressing through spaces that shouldn’t admit life.
Five.
Four.
Don’t think about rain on concrete, metal under strain, the first noise a structure makes when everyone still believes there’s time.
Three.
Two.
One.
The hatch opens. I step into east conduit four and close it behind me.
The corridor looks exactly the same. That’s one of the cruelest things structures do after they change.
I set my palm against the wall.
The vibration has an absence inside it. A missing tooth in the facility’s hum. Node seven isn’t answering, and the wall knows. The whole section knows. The closed system isn’t closed.
I radio operations. “East boundary node seven confirmed failed. Localized service breach. Restrict east maintenance grid. Engineering only. No solo access.”
Lina doesn’t ask for a reason. “Copy,” she says. “Do you need Dr. Vale?”
“Yes.” The word is immediate. I don’t soften it. “Tell her containment control. Now.”
“Copy.”
I detour through the maintenance hub for the larger diagnostic unit. The larger unit has better overlays. More complete evidence. Less room for interpretation.
Maren will need evidence.
I go to the hub.
At the desk, I transfer images from the handheld to the main diagnostic unit.
Failed node. Bite marks. Residue smear. Clearance measurements.
Power history. Boundary continuity log. I add the suite six sample comparison, the petting tank vibration record, the lateral six trace fragments, the route map from service gap to tank support.
The file becomes heavy enough to tell the truth. I carry it to containment control.
Maren’s there before me. She’s at the central display in yesterday’s black trousers and a pale shirt with one sleeve half-rolled, hair pinned up badly, no lab coat, no coffee in sight.
Dangerous sign. She turns when I enter, and her gaze drops to the diagnostic unit in my hand. Then to my face. “What failed?”
“East boundary node seven.”