Instead, identify the model, serial number and location of the suspect FDECU. Report suspect FDECUs and unusual maintenance and services to CW5 Bobby McQuaid, HQDAG-4.
* one for recording FDECU serial #, location, dates deployed and last date serviced
YOUR FDECU COULD HAVE A REFRIGERANT CONTAMINATED WITH METHYL CHLORIDE, ALSO KNOWN AS R-40.
The FDECU uses R-134A refrigerant, which must be ordered only through the Defense Logistics Agency (DLA).
* FDECUs that have not been deployed OCONUS but have no records proving repairs and services were done using DLA-certified refrigerant.
FDECUs that have not been deployed OCONUS and have records proving repairs and services were done using DLA-certified refrigerant are considered safe.
The reason for the SOUM is that a few soldiers suffered smoke inhalation when the heater assembly, P/N 9454066, NSN 4520-01-494-3852, of a FDECU
overheated and their tent filled with smoke.