Service difficulty report · Megaphone · Boeing 737*

Difficulty date
September 22, 2021
Submitted
September 23, 2021
Operation
Air carrier
Aircraft
N301NW
Make and model
Boeing 737*
Aircraft serial
33342
Aircraft time
14,258 hours, 5,891 cycles
Part
Megaphone
Part number
A12SA
Condition
Failed
Location
Zone 200 - Fuse
Stage of operation
IN
How discovered
O
Nature of condition
O
Precautionary procedure
K

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

What was found

AIRCRAFT WAS NOT GROUNDED: AFT MEGAPHONE FAILED OPERATIONAL CHECK. OUTPUT DISTORTED. REMOVED AND REPLACED AFT MEGAPHONE AS PER AMM 25-64-00.