Service difficulty report · Smoke Detector · Boeing 777223

Difficulty date
February 27, 2021
Submitted
March 3, 2021
Operation
Air carrier
Aircraft
N795AN
Make and model
Boeing 777223
Aircraft serial
30257
Aircraft time
77,323 hours, 9,960 cycles
Part
Smoke Detector
Condition
False Indication
Location
Lavatory
Stage of operation
DE
How discovered
O
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 GROUNDED: DESCENDING THROUGH 24,000 FT, SMOKE LAVATORY LIGHT CAME ON FOR LAVATORIES 3R & 4R; VERIFIED NO SMOKE. REPLACED 4R AND 3R (AALA202103019010) LAVATORY SMOKE DETECTORS IAW AMM 26-13-00, OPS CHECK GOOD.