As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) TWO FUEL FLOW REGULATORS RECEIVED HAD SLIPPER SLEEVE ASSEMBLIES INSTALLED IN REVERSE MODE. THESE UNITS HAD BEEN PREVIOUSLY REPAIRED BY ROLLS ROYCE BRAZIL AND IT IS ESTIMATED THAT THERE MAY BE 11 (ELEVEN) SIMILAR UNITS. THIS CONDITIION HAS BEEN ASSOCIATED WITH POSSIBLE LOW FLOW AND LOW EPR.