What was found
DURING APU REPLACEMENT FOUND IGNITION EXCITER INOP. REPLACED APU EXCITER REF MM 49 41 31, OPS CHECKS GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING APU REPLACEMENT FOUND IGNITION EXCITER INOP. REPLACED APU EXCITER REF MM 49 41 31, OPS CHECKS GOOD.