SDR AALA202010109014

Service difficulty report · Smoke Detector · Airbus A321231

Difficulty date: October 9, 2020
Submitted: October 12, 2020
Operation: Air carrier
Aircraft: N523UW
Make and model: Airbus A321231
Aircraft serial: 3960
Aircraft time: 40,120 hours, 14,421 cycles
System (JASC): 2611 · Smoke Detection
Part: Smoke Detector
Condition: False Indication
Location: Lavatory
Stage of operation: NR
How discovered: V
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. SMOKE LAVATORY SMOKE INDICATION MOMENTARY ON ECAM IN LAVATORY. UPON INSPECTION, NO SMOKE OR FUMES DETECTED IN LAVATORY. PERFORMED GROUND SCAN OF SDCU, NO FAULTS AT THIS TIME FOR LAVATORY D SMOKE DETECTOR. TEST OK, REF AMM 26-17-00-710-001.

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