Service difficulty report · Smoke Detector · Boeing 747422

Difficulty date
December 19, 2011
Submitted
December 22, 2011
Operation
Air carrier
Aircraft
N119UA
Make and model
Boeing 747422
Aircraft serial
28812
Aircraft time
53,380 hours, 6,248 cycles
Engine
Pwa PW4056
Part
Smoke Detector
Condition
Unknown
Location
Lavatory
Stage of operation
NR
How discovered
O
Nature of condition
A, P
Precautionary procedure
O

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

What was found

PASSENGER WAS SMOKING IN LAV 106 AFT LAV DOOR 5L. PAX DISPOSED OF MATERIAL IN WASTE CHUTE, SM ALL FIRE PUT OUT BY FLT ATTENDANT WITH WATER. UNKNOWN IF LAV FIRE EXTINGUISHED DISCHARGED. CREW REPORTS THAT LAV SMOKE DETECTOR ALSO DID NOT OPERATE WITH SMOKE IN LAV. CHECK SERVICEABILITY OF BOTTLE AND SMOKE DETECTOR OPERATION. SAMC TEXT: LAV LOCKED OUT AND CREW WILL MONITOR. CHECK NO BURN MARK IN WASTE BIN. SMOKE DETECTOR OPERATION CHECK NORMAL. FIRE EXTINGUISHER VISUAL CHECK NOT DISCHARGE. TOMS CONSULTED LM2500 RAISED FOR LAV SMOKE DETECTOR CHECK.