As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE:N/A ATB - AIR MANIFOLD NR 2 FAILURE MESSAGE. CHECKED WIRING FROM ENG 2 BACK UP MANIFOLD PRESS SENSOR T2-1397 TO PSC-2. WIRING CHECK OK PER MM 20-30-01-2 & WDM 36-11-03. LABEL AT SENSOR INCORRECT, SWAPPED LABELS IAW WDM 36-11-03. SYSTEM OPS CK NORMAL IAW 36-10-02/21-08-00 & 36-23-11.