# SDR AALA202010079001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 6, 2020
- Submitted: October 7, 2020
- Operation: Air carrier
- Aircraft: [N180US](https://openairdocs.org/aircraft/N180US), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 1525
- Aircraft time: 65,325 hours, 24,659 cycles
- System (JASC): [5210 · Passenger/Crew Doors](https://openairdocs.org/jasc/5210)
- Part: Cylinder
- Part number: FE277000
- Condition: Low Pressure
- Location: L3 Door
- Stage of operation: IN
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202010079001

## Discrepancy

AIRCRAFT WAS GROUNDED: CABIN INTERCOMMUNICATION DATA SYSTEM CAUTION LIGHT ON FLIGHT ATTENDANT PANEL "DOOR PRESSURE LOW EXIT L". PER TSM 52-22-00-614-002A, SERVICED L3 DOOR CYLINDER ASSY IAW AMM 52-22-00. NO LEAKAGE OR SUBSEQUENT PRESSURE DECREASE NOTED. CABIN INTERCOMMUNICATION DATA SYSTEM BITE TEST SATISFACTORY, FLIGHT ATTENDANT PANEL MESSAGE EXTINGUISHED.

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