As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APU BLEED AIR STATUS MSG DISPLAYED AFTER APU START. FAULT CODE LATCHED 495 00 1 00, NO CORRELATED MSGS. APU BLEED AIR STATUS MSG CLEARS AFTER APU SHUT DOWN AND RE-APPEARS DURING START, ALL SYNOPTIC INDICATION AND DUCT PRESSURE NORMAL. REMOVED AND REPLACED APUC. REF TSM 49-52 TASK 808.