SDR EIA2005263

Service difficulty report · Smoke Detector · Boeing 747132

Difficulty date: December 19, 2005
Submitted: January 10, 2006
Operation: Air carrier
Aircraft: N481EV
Make and model: Boeing 747132
Aircraft serial: 19896
Aircraft time: 110,085 hours, 27,186 cycles
System (JASC): 2611 · Smoke Detection
Part: Smoke Detector
Condition: Malfunctioned
Location: Lavatory
Stage of operation: IN
How discovered: C
Nature of condition: L
Precautionary procedure: K

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

What was found

LAV SMOKE DETECTOR DOES NOT EMIT AUDIBLE TONE ON TEST. TXFRD TO DMI 747 PER MEL 26-27, CAT "D" DUE 4/17/06, PLACARDED. REMAINS OPEN UNTIL DMI CLEARED. 12/29/05 DMI 747, REMOVED AND REPLACED LAV SMOKE DETECTOR IAW EO 26-747-1762-05, OPS NORMAL, DMI CLEARED, PLACARD REMOVED.