The rejected casings are the useful report
Every batch of casings sent for retreading comes back in two parts: the casings that passed and were retreaded, and the ones that did not. Most fleets look at the first part and write off the second.
The rejects are where the information is. A casing is turned down for a reason, and the reasons repeat. Read across a few batches and they describe how the fleet is running its tires better than any audit.
Run flat. A casing that was driven on after losing air. A pattern of these points at how drivers respond to a failure, or at pressures nobody is checking.
Damage left too long. A cut or puncture that worked through the structure while the tire stayed in service. That points at inspections, or at repairs being postponed.
Worn too far. Casings pulled after the tread was gone. That points at removal policy.
Old or weathered. Casings that sat in the yard for a long time before they were sent. That points at collection.
Each of those has a fix, and every one is cheaper than a casing. Ask the store for the reasons with each batch, keep them, and look at them together every few months.
Where the work happens
This store works with Purcell's retreading program. Casings collected here go to the Phoenix retread plant across town, one of Purcell's seven, and return ready to run. Having the plant in the same city is unusual: most Purcell stores send casings to another state.
A fleet on mobile service can have casings collected during the visit, and a fleet account through fleet services keeps the records together.
This is the Commercial & Consumer listing; the Phoenix city page explains the others.
Collecting stores nearby
Casa Grande and Tucson also collect casings for the Phoenix plant.
About this store
The Phoenix store carries all nine Purcell tire categories and is managed by Patrick Taylor.
See the national retreading page for how the program works and for all 54 collecting locations.

