Service difficulty report · Warning Horn · Boeing 777323

Difficulty date
November 4, 2022
Submitted
November 7, 2022
Operation
Air carrier
Aircraft
N736AT
Make and model
Boeing 777323
Aircraft serial
33538
Aircraft time
27,037 hours, 3,130 cycles
Part
Warning Horn
Part number
7004241
Condition
Inoperative
Location
L3 Door Evac
Stage of operation
IN
How discovered
9
Nature of condition
P
Precautionary procedure
K

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

What was found

AIRCRAFT IN BASE MAINTENANCE: L3 DOOR EVACUATION HORN SHUTOFF SWITCH IS INOPERATIVE. REMOVED AND REPLACED EVACUATION ALARM AT L3 DOOR PER B777 AMM 33-22-06-960-801.