SDR AALA2018121890006

Service difficulty report · Filter · Airbus A321231

Difficulty date: December 16, 2018
Submitted: December 18, 2018
Operation: Air carrier
Aircraft: N918US
Make and model: Airbus A321231
Aircraft serial: 6443
Aircraft time: 13,724 hours, 5,346 cycles
System (JASC): 2611 · Smoke Detection
Part: Filter
Condition: Dirty
Location: Smoke Detector
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

RECEIVED A MASTER WARNING LIGHT AND ECAM FOR LAVATORY SMOKE, LASTED 5 - 7 SECONDS, WARNING STOPPED, COULD NOT FIND SMOKE OR FIRE IN THE LAVATORY. PERFORMED CFDS INTERROGATION, ONLY LAVATORY SMOKE WARNING. THERE WAS NO CORRESPONDING FAILURE MESSAGE/COMPONENT FAULT. VISUALLY CHECKED LAVATORY TRASH CONTAINERS AND EXTINGUISHERS. PERFORMED TEST ON LAVATORY SMOKE DETECTION SYSTEM PER AMM 26-17-00. ALL LAVATORY FILTERS REPLACED AT THIS TIME.

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