As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT HEATH MONITORING HAS DOWNLINKED AN ENG EEC C1 L MSG ASSOC WITH 75-50391 MAINT MSG. C/B PULLED FROM REPLACEMENT OF 2.5 BLEED ACT. REPLACED NR 1 ENG 2.5 BLEED ACTUATOR. ACCOMPLISHED TEMPORARY RIG OF 2.5 PER MM. RESET PULLED CB'S PER MM.