SDR AALA2019031219002

Service difficulty report · Filter · Airbus A321231

Difficulty date: March 10, 2019
Submitted: March 12, 2019
Operation: Air carrier
Aircraft: N933AM
Make and model: Airbus A321231
Aircraft serial: 7564
Aircraft time: 6,814 hours, 2,582 cycles
System (JASC): 2611 · Smoke Detection
Part: Filter
Condition: Dirty
Location: Smoke Detector
Stage of operation: CL
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

THE PILOT REPORTED ON CLIMBOUT, PASSING THROUGH FL200, THE FORWARD LAVATORY SMOKE DETECTOR MASTER WARNING AND BELL ACTIVATED IN THE COCKPIT FOR ABOUT ONE SECOND. FORWARD LAVATORY WAS UNOCCUPIED AT THE TIME, LAVATORY INSPECTED BY CREW, NO SMOKE WAS FOUND. MAINTENANCE CHECKED AND CLEANED THE SMOKE DETECTOR FILTER IAW AMM 26-12-00.

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