Service difficulty report · Microphone · Boeing 767322

Difficulty date
July 12, 2013
Submitted
July 12, 2013
Operation
Air carrier
Aircraft
N657UA
Make and model
Boeing 767322
Aircraft serial
27112
Aircraft time
87,787 hours, 13,889 cycles
Engine
Pwa PW4060
Part
Microphone
Condition
Defective
Location
Cockpit
Stage of operation
NR
How discovered
9
Nature of condition
O
Precautionary procedure
O

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

What was found

NR 3 BOOM MICROPHONE IS DEFECTIVE. UNABLE TO TRANSMIT ON 1ST OBS MICROPHONE. REPLACED MIC AT 1ST OBSERVERS SEAT AND TESTED.