Service difficulty report · Bottle · Airbus A321231

Difficulty date
October 31, 2025
Submitted
November 4, 2025
Operation
Air carrier
Aircraft
N524UW
Make and model
Airbus A321231
Aircraft serial
3977
Aircraft time
54,346 hours, 20,754 cycles
Part
Bottle
Condition
Low Pressure
Location
Zone 800
Stage of operation
NR
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 NOT GROUNDED: DOOR 3R SHOWS CHECK DOOR PRESSURE ON CIDS PANEL. MAINTENANCE SERVICED THE 3R DOOR DAMPER AND EMERGENCY OPERATION CYLINDER PER AMM 52-22-00 WHICH CLEARED THE MESSAGE.

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