What was found
THE CREW REPORTED A MUSTY ODOR WHEN EITHER BLEED ENGINE NR 1 OR NR 2 SELECTED BUT GOES AWAY WHEN APU IS SELECTED. MAINTENANCE R & R THE NR 1 ENGINE, OPS TESTED WITH NO DEFECTS NOTED, AND THE ACFT WAS APPROVED FOR RETURN TO SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
THE CREW REPORTED A MUSTY ODOR WHEN EITHER BLEED ENGINE NR 1 OR NR 2 SELECTED BUT GOES AWAY WHEN APU IS SELECTED. MAINTENANCE R & R THE NR 1 ENGINE, OPS TESTED WITH NO DEFECTS NOTED, AND THE ACFT WAS APPROVED FOR RETURN TO SERVICE.