As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RECEIVED LEVEL 1 ALERT "AIR SYS 2 OFF". 2 MINUTES LATER RECEIVED LEVEL 3 ALERT "AIR MANF 2 FAIL". RAN QRH. LEVEL 3 ALERT EXTINGUISHED WHEN NR 2 THROTTLE PULLED TO IDLE VIA QRH DIRECTION. RESTORED MEL DEACTIVATIONS TO NORMAL CONFIG PERFORMED AIR SYSTEM TEST WITH NO FAILURES NUMEROUS TIMES. REMOVED AND REPLACED RELAY R2-8990 PER FIM 36-23-00-2 AS PRECAUTIONARY. RECHECK AIR SYSTEM TEST WITH NO FAILURES PER FIM 36-23-00-2. DECAY CHECK STILL CHECKS GOOD AT 22 SECS. SYSTEM OK FOR SERVICE.