As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SATELLITE DATA UNIT REPLACED DUE TO REPEAT WRITE UPS FOR SATCOM VOICE AND DATA FAILING, PLEASE REPLACE THE SATELLITE DATA UNIT WITH REF TO MM 23-15-10, PG 401. PCN FOR THE UNIT IS (583-9200), REF IPC 23-15-10-001. PLEASE CHECK ALL PN WITH THE ON-LINE IPC MM 23-15-10 REFERS FOR SOFTWARE CHECK IF REQUIRED. REPLACED SAT DATA UNIT IAW 23-15-10, OPS CHECK NORMAL.