SDR QXEA200500962

Service difficulty report · Smoke Detector · Bombdr DHC8402

Difficulty date: June 4, 2005
Submitted: June 6, 2005
Operation: Air carrier
Aircraft: N405QX
Make and model: Bombdr DHC8402
Aircraft serial: 4047
Aircraft time: 9,334 hours, 9,938 cycles
System (JASC): 2611 · Smoke Detection
Part: Smoke Detector
Condition: Activated
Location: Lavatory
Stage of operation: AP
How discovered: O
Nature of condition: J
Precautionary procedure: O

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

LAVATORY SMOKE DETECTOR WENT OFF. FLT ATTENDANTS REPORT SMOKE IN CABIN. SMOKE CONCENTRATED IN MIDDLE OF CABIN. MX INTERROGATED CDS, FOUND 3B01 FAULT ON DISTRIBUTION DAMPER. REMOVED FLOOR PANEL 143BZ TO ACCESS DISTRIBUTION DAMPER. DISTRIBUTION DAMPER OPS CHECK GOOD. REINSTALLED FLOOR PANEL 143BZ. GROUND RAN ACFT. OPERATED ECS SYSTEM. DID NOT GET LAVATORY SMOKE DETECTOR TO GO OFF AND DID NOT RECEIVE ANY SMOKE IN CABIN. NO FAULTS RECORDED IN CDS. NO PARTS REPLACED. ACFT RETURNED TO SERVICE.