As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON DESCENT GOT STATUS R ENG CONTROL AND R ENG EEC C1. PIMU SHOWS CH A AND CH B B25 TR-CK FAIL. 2.5 BLEED VALVE ACTUATOR CONNECTION CHECKED AND CLEANED, TEST 15 EEC GROUND TEST OF ENGINE CONTROL SYSTEM ACTUATORS CARRIED OUT IAW AMM PAGE 586D AND FIM 71 PIMU MESSAGE INDEX. NIL FAULTS OBSERVED DURING AND AFTER TEST.