Service difficulty report · Deu · Airbus A321231

Difficulty date
December 22, 2024
Submitted
December 26, 2024
Operation
Air carrier
Aircraft
N524UW
Make and model
Airbus A321231
Aircraft serial
3977
Aircraft time
51,478 hours, 19,558 cycles
Part
Deu
Part number
Z043H000351A
Part serial
043H00021635
Condition
Warning Message
Location
Zone 800
Part time
36,963 hours, 15,274 cycles
Stage of operation
NR
How discovered
V
Nature of condition
J
Precautionary procedure
K

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

What was found

AIRCRAFT WAS NOT GROUNDED: FLIGHT ATTENDANT OBSERVED ON GALLEY PANEL THAT DOOR 3R SHOWS CHECK PRESSURE INDICATION DESPITE DOORS SHOWING ARMED IN FLIGHT DECK. MAINTENANCE REPLACED DECODER ENCODER UNIT B 300RH6 (DEU) ON R3 DOOR PER AMM 23-73-47. (AALA202412267654) MAINTENANCE ALSO SERVICED THE R3 DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PER AMM 52-22-00. (AALA202412269751) A SATISFACTORY LEAK / OPERATIONAL CHECK WAS ACCOMPLISHED.

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