Service difficulty report · Switch · Boeing 74747UF

Difficulty date
January 2, 2020
Submitted
January 3, 2020
Operation
Air carrier
Aircraft
N415MC
Make and model
Boeing 74747UF
Aircraft serial
32837
Aircraft time
69,150 hours, 11,878 cycles
Part
Switch
Condition
Stuck
Location
Cockpit
Stage of operation
AP
How discovered
O
Nature of condition
G
Precautionary procedure
K

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

What was found

SIMULTANEOUS FAILURE OF ALL THREE COMM RADIOS. "RADIO TRANSMIT" ON CONTINUOUSLY.(<P>FOUND FO'S YOKE SWITCH STUCK. CLEARED YOKE SWITCH. OPS CHECKED OK PER AMM 23-12-00.<BR /></P>)

More about the Boeing 747-47UF