As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAINT MESSAGE 49 52284 SURGE VALVE POSITION DISAGREES WITH COMMAND FAULT FOUND ON APU BITE CK. ACCOMP FIM TASK 49 53 00 810 806. FAULT CORRECTED AFTER WIRE HARNESS CONNECTION WAS CLEANED. OPTS CHECK GOOD NO FAULTS FOUND AFTER MULTIPLE STARTS. SUCCESSFUL GROUND VERIFICATIONS OF CORRECTION ACCOMP REF FIM TASK 49 53 00 810 806.