# SDR ASAA2018121527402

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 15, 2018
- Submitted: December 18, 2018
- Operation: Air carrier
- Aircraft: N927VA
- Make and model: Airbus A321-253N
- Registry model: [Airbus A321-253N](https://openairdocs.org/model/airbus-a321-253n) (OpenAirDocs)
- Aircraft serial: 08126
- Aircraft time: 2,337 hours, 710 cycles
- System (JASC): [2130 · Cabin Pressure Control System](https://openairdocs.org/jasc/2130)
- Part: Warning System
- Condition: False Activation
- Location: Cockpit
- Stage of operation: TX
- How discovered: O
- Nature of condition: N
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2018121527402

## Discrepancy

CABIN DIFFERENTIAL MASTER WARNING AT GATE GROUNDED - YES. PERFORMED CABIN PRESS CONTROLLER 1 AND 2 TEST. TEST OK. PERFORMED AMM 21-63-00-05 AND AMM 31-32-00-860-002-A. BOTH TEST OK.

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