Service difficulty report · Smoke Detector · Boeing 777223

Difficulty date
September 28, 2020
Submitted
October 1, 2020
Operation
Air carrier
Aircraft
N783AN
Make and model
Boeing 777223
Aircraft serial
30004
Aircraft time
81,755 hours, 9,808 cycles
Part
Smoke Detector
Part number
4755711
Condition
False Activation
Location
Lavatory
Stage of operation
NR
How discovered
9
Nature of condition
N
Precautionary procedure
O

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

What was found

AIRCRAFT WAS NOT GROUNDED. SMOKE LAVATORY EICAS MESSAGE FOR LAVATORY 4F-L. NO SMOKE OR SMELL PRESENT. SUPPLEMENTAL INFORMATION: REMOVED AND REPLACED SMOKE DETECTOR, PER AMM 26-13-01.