He checked another shop, then the Blackwell inventory system, and found nothing suitable. He could have waited, which would have made his work easier to defend on paper. Instead, on his lunch break, he drove nine minutes to a parts supplier on Harmon Avenue and bought a simple quarter-inch fitting that allowed a safe connection to the measurement equipment.
The clerk rang up twelve dollars and forty cents. Owen paid with his own money, asked for the receipt, and wrote 381 in the top corner so the purchase would not be mistaken for some other job. That afternoon he returned to the bay and ran the inspection under controlled conditions. The reading did not stabilize where it should have, and the repeated test showed a pressure loss beyond the permitted tolerance. It was the first firm result that made him stop treating the earlier complaints as scattered coincidences.
The next day he filed the findings with the maintenance department. He also filed a reimbursement request because company tools, however inexpensive, were not supposed to be bought by an employee out of personal generosity. By the end of a long shift, his eyes burned from work under shop lights, his knee was aching, and a driver had been waiting nearly an hour for an unrelated release. He selected the routine preventive maintenance expense code instead of the safety inspection code. He attached the receipt and returned to the trucks. In his mind the mistake was a bookkeeping problem that could be corrected if anyone asked.
The test on 381 led him to inspect 409, then 352, and then several others whose drivers had reported similar cold-weather behavior. In eleven tests performed over six weeks, he found six units with abnormal results. That did not establish a failure rate across the four-hundred-truck fleet; he had deliberately selected vehicles more likely to exhibit the problem. But six failures among eleven suspicious units were too many for Owen to shrug off. He copied the lot markings from the components he could examine and found enough overlap to justify asking for the staged inspection again.
When he returned home on the Friday after confirming the sixth abnormal result, Marie was at the kitchen table with two folders open beside a bowl of soup. One folder held a medication reimbursement denial; the other held an estimate for the replacement of their water heater. Owen hung his coat near the door and washed his hands twice, then noticed she had not eaten. "You get an answer from insurance?" he asked.
Marie held up the denial. "Their answer is apparently that forms are cheaper than medicine." She tried to smile, but the effort showed.
They had learned to discuss difficult numbers without accusing each other of causing them. Owen sat down and looked at the claim, noticing the coded language, the missing authorization, and the line that gave them thirty days to request a review. "We'll appeal," he said. "We always appeal," Marie answered.