# SDR ASAA2019060759613

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 5, 2019
- Submitted: June 7, 2019
- Operation: Air carrier
- Aircraft: N923VA
- Make and model: Airbus A321-253N
- Registry model: [Airbus A321-253N](https://openairdocs.org/model/airbus-a321-253n) (OpenAirDocs)
- Aircraft serial: 07861
- Aircraft time: 5,196 hours, 1,487 cycles
- System (JASC): [3610 · Pneumatic Distribution System](https://openairdocs.org/jasc/3610)
- Part: Transducer
- Condition: Malfunctioned
- Location: Bleed System
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2019060759613

## Discrepancy

MAINTENANCE AIR BLEED MESSAGE AFTER BLOCK @ SFO. (7HA2 XDCR HAS BEEN REPLACED LOOK FOR LEAK IN THE BRAIDED SENSE LINE) GROUNDED - YES. TROUBLESHOT PER TSM 36-11-00-810-A61, SUSPECT PRESSURE XDCR 7HA2 BAD.

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