Service difficulty report · Relay · Airbus A321211

Difficulty date
November 15, 2025
Submitted
November 17, 2025
Operation
Air carrier
Aircraft
N171US
Make and model
Airbus A321211
Aircraft serial
1465
Aircraft time
79,121 hours, 30,671 cycles
Part
Relay
Part number
E0242A28C1
Condition
Defective
Location
Zone 100
Stage of operation
CR
How discovered
O
Nature of condition
J
Precautionary procedure
O

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

What was found

AIRCRAFT WAS GROUNDED: R4 DOOR SLIDE INTERMITTENTLY INDICATES DISARMED DURING FLIGHT WITH DOOR CABIN PRESSURE LIGHT. WHEN FLIGHT ATTENDANT GENTLY PRESSES THE ARM LEVER, THE DOOR PAGE INDICATES ARMED AND DOOR PRESSURE LIGHT EXTINGUISHES. MAINTENANCE ADJUSTED THE GIRT BAR ASSEMBLY PER AMM 25-62-44 TO ADDRESS THE DOOR ARMING INDICATION ISSUE (AALA202511174075) AND REPLACED THE ENGINE 1 LOW PRESSURE RELAY 18WN1 TO ADDRESS THE CABIN PRESSURE LIGHT ISSUE (AALA202511171931). A SATISFACTORY OPERATIONAL CHECK WAS ACCOMPLISHED WITH NO ISSUES NOTED.

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