Service difficulty report · Smoke Detector · Boeing 777223

Difficulty date
July 26, 2019
Submitted
July 29, 2019
Operation
Air carrier
Aircraft
N772AN
Make and model
Boeing 777223
Aircraft serial
29580
Aircraft time
81,477 hours, 10,346 cycles
Part
Smoke Detector
Condition
False Activation
Location
Lavatory
Stage of operation
NR
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 NOT GROUNDED: PILOT REPORTS LAV 1L SMOKE ALARM SOUNDS INTERMITTENTLY. MAINTENANCE ACCOMPLISHED LAV SMOKE DETECTION OPERATIONAL TEST IAW AMM 26-13-00. ALL OPS CHECKS NORMAL, COULD NOT DUPLICATE.