Service difficulty report · Smoke Detector · Boeing 777222

Difficulty date
June 20, 2013
Submitted
June 24, 2013
Operation
Air carrier
Aircraft
N797UA
Make and model
Boeing 777222
Aircraft serial
26924
Aircraft time
68,421 hours, 9,506 cycles
Engine
Pwa PW4090
Part
Smoke Detector
Condition
No Test
Location
Crew Rest
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

PILOT CREW REST SMOKE DETECTORS FAILED DURING ALL CABIN OP TEST ITEM 13 JOB 2-3210. FAULTING SMOKE DET AND OE U'S FROM THE ALL TEST, REPLACED SMOKE DET'S OEU'S AND ZMU 1, ALL NO HELP. CORRECT DATABASE SOFTWARE IS INSTALLED. REINSTALLED ORIGINAL ZMU.