SDR CALA2021031500320

Service difficulty report · Radio · Boeing 737924ER

Difficulty date: March 15, 2021
Submitted: March 15, 2021
Operation: Air carrier
Aircraft: N65832
Make and model: Boeing 737924ER
Aircraft serial: 44563
Aircraft time: 22,120 hours, 7,902 cycles
System (JASC): 2300 · Communications System
Part: Radio
Condition: Noisy
Location: Cockpit
Stage of operation: NR
How discovered: O
Nature of condition: O
Precautionary procedure: A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

EXTREME LOUD NOISE FROM OVERHEAD PANEL. PRESSURIZED AND BROUGHT UP TO 5.0. NO LEAKS OR ABNORMAL SOUNDS OBSERVED. BASED ON CREWS VIDEO SUSPECT SOUND IS RADIO INTERFERENCE. PERFORMED OPS CHECKS ON ALL AUDIO CONTROL PANELS AND SPEAKERS. NO NOISES OR FAULTS NOTED. TESTED AUDIO CONTROL PANELS IN DIFFERENT LOCATIONS. . REMOVED AND REPLACED CAPTAIN''S.ACP AS PRECAUTIONARY. SUSPECT FAULT WAS CAUSED BY FLIGHT CREW'S PERSONAL HEADSETS. REF TO AMM 23-51-02, 23-51-01, 21-31-00.