Service difficulty report · Smoke Detector · Boeing 777223

Difficulty date
January 18, 2022
Submitted
January 19, 2022
Operation
Air carrier
Aircraft
N772AN
Make and model
Boeing 777223
Aircraft serial
29580
Aircraft time
88,119 hours, 11,429 cycles
Part
Smoke Detector
Condition
False Activation
Location
Zone 900 - Lav/G
Stage of operation
UK
How discovered
O
Nature of condition
N
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: LAVATORY 1L SMOKE DETECTOR CHARPS INTERMITTENTLY ONLY WHEN OCCUPIED WITH DOOR LOCKED. ACCOMPLISHED SATISFACTORY SMOKE DETECTOR SELF TEST PER AMM 26-13-00. UNABLE TO DUPLICATE FAULT ON THE GROUND.