Chapter 73: The Terminal Stayed Alive

Rain drove beneath the service-bay door and spread across the concrete until the drains caught it. Beyond the yellow threshold, yard lamps turned the storm white.

Seven service carts waited under green charger lamps. Water darkened their housings; lane grit striped their wheels and lower panels. Across the bay, maintenance calls accumulated on the wall board while Voss’s crews stood idle beside pumps, tool cases, and replacement parts they had no carts to carry.

Eli remained outside Bell’s braided custody cord.

“Sequential passive queries,” he said. “One cart at a time. Release each exclusion as soon as the full check is recorded. No fleet shutdown.”

Voss folded her arms. “You do not direct my crews.”

“I’m proposing the test.”

“You selected the order.”

“And I won’t touch a cart, a key, the console, or the record.”

Bell remained at the evidence terminal. “The method limits the operational loss. I retain query control. Voss retains movement authority. Ortiz retains the coalition veto.”

Ortiz reviewed the session notice, added the time, and signed. Bell countersigned.

“For this session,” Bell said, “Mercer is the suspended test designer only.”

Voss glanced at the growing maintenance board. “Proceed.”

Her operator disconnected R4-C1 without moving it. Bell sent the electronic query through the charger lead.

C1 answered under its own controller identity. Its exterior plate and stamped battery collar both read R4-C1 and R4-B-3108. Bell ran a gloved finger above, not across, the wet compartment lip; the grime remained continuous around intact seals. Ortiz checked the underside for fresh scoring, and Voss compared the charger handshake with the installed serial.

“Query, stamp, and physical surfaces agree,” Bell said. “C1 clear.”

Ortiz recorded the disposition. Voss released the wheels, and C1 rolled into the rain.

R4-C2 returned its registered identity without delay. The installed collar read R4-B-5520, matching its charger history. Grease covered the right axle housing, but the layer continued unbroken across the fasteners; no clean wrench arcs or displaced grit marked the battery saddle or controller cover.

“C2 clear,” Bell said after Ortiz read back the seals.

The second cart departed.

C3’s response showed controller R4-C3 and installed battery R4-B-6634. Bell made the stamp visible to both cameras before comparing it with the terminal response. Water beaded on the compartment gasket, while the interior dust line remained dry and undisturbed. No tool marks crossed the port screws.

“C3 clear for release,” she said. “Physical battery R4-B-6634.”

Ortiz emphasized the physical serial in the record. C3 left for an assigned pump call.

The fourth cart made them wait through a charger handshake. Once connected, R4-C4 answered consistently under its plate identity. Battery R4-B-2081 matched the collar, controller register, and charging log. A wet smear crossed the rear housing, but beneath it the old oxidation and greasy fingerprints continued around sealed fasteners without a recent break.

Bell photographed the surfaces. “C4 clear.”

Voss sent it out.

Blue-gray grit coated the wheel wells of R4-C5. Bell did not treat color as identity. The passive query returned C5; the visible battery stamp, R4-B-9042, matched its charger history. Ortiz inspected the damp frame rails, Voss checked the compartment seal, and Bell confirmed that the grit stopped at the intact gasket rather than continuing inside.

“Exterior condition recorded. No conflicting physical finding. C5 clear.”

The fifth cart crossed the threshold.

Exactly two remained in the bay: R4-C7 at the inner wall and R4-C6 nearest the door.

Bell selected C7 as the sixth test.

The query went out. Its response field stalled.

“Do not repeat it,” Bell said.

She opened the retained controller register through the divided session. R4-C7 showed battery R4-B-4412 disengaging at 01:59:06. Instead of losing power, the controller remained live under the dock-clamp override. Replacement battery R4-B-7719 connected at 02:08:51. The override ended at 02:11:04.

Ortiz searched the maintenance board by cart and both battery serials. “No exchange entry.”

Bell checked independently. “None.”

Voss approached the cord. “Physical serial.”

Under both cameras, Bell read the exterior plate, inspected the wet housing for fresh access marks, and opened only the authorized battery viewing hatch. The stamped collar inside read R4-B-7719. Clean arcs interrupted the older grease on two saddle contact points, and compressed grit marked where the battery had recently settled.

“Installed serial agrees with the later connection,” Bell said. “It does not explain the undocumented exchange.”

R4-C7 had completed all three stages. Its query exposed the power continuity and conflicting history; its visible stamp identified the replacement battery; its physical surfaces supported recent access.

“Disposition: retain,” Bell said.

Ortiz applied the coalition wheel lock. Voss kept the movement key.

She looked toward C6. “Last cart has no conflict in the board. Release it.”

Eli could have let the apparent answer stand. C7 had already supplied the finding everyone expected, and every delayed minute added another call to Voss’s wall.

Instead he said, “Not on my conclusion.”

Voss turned on him.