What was found
CLICKING SOUND COMING FROM UNDER THE AFT GALLEY FLOOR. NOISE STOPS WHEN P6 K21 CIRCUIT BREAKER IS OPENED. REPLACED COMPRESSOR.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CLICKING SOUND COMING FROM UNDER THE AFT GALLEY FLOOR. NOISE STOPS WHEN P6 K21 CIRCUIT BREAKER IS OPENED. REPLACED COMPRESSOR.