Service difficulty report · Relay · Airbus A321231

Difficulty date
January 22, 2024
Submitted
January 23, 2024
Operation
Air carrier
Aircraft
N542UW
Make and model
Airbus A321231
Aircraft serial
4134
Aircraft time
47,265 hours, 17,952 cycles
Part
Relay
Part number
E0744ZZZ28D
Condition
Defective
Location
Zone 100 - Fuse
Stage of operation
AP
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 GROUNDED: INBOUND CREW REPORTED NOSE LANDING GEAR AND LEFT MAIN LANDING GEAR GREEN SAFE INDICATION WAS FLASHING ON APPROACH. MAINTENANCE REPLACED THE #1 LAND GEAR CONTROL INTERFACE UNIT (LGCIU) PER AMM 32-31-71. (AALA202401233242) AND REPLACED RELAY 53GA (AALA202401236512). A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED.

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