Service difficulty report · Smoke Detector · Boeing 737823

Difficulty date
January 31, 2020
Submitted
February 5, 2020
Operation
Air carrier
Aircraft
N889NN
Make and model
Boeing 737823
Aircraft serial
33314
Aircraft time
24,377 hours, 9,984 cycles
Part
Smoke Detector
Condition
False Activation
Location
Aft Lavatory
Stage of operation
NR
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 NOT GROUNDED: AFT LEFT LAVATORY SMOKE ALARM SOUNDED. NO ONE WAS IN LAVATORY AND ALARM STOPPED AFTER A FEW MINUTES. MAINTENANCE PERFORMED SATISFACTORY LAVATORY SMOKE DETECTION SYSTEM TEST IAW MM 26-14-00.