# SDR GTIA2025071738993

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 16, 2025
- Submitted: July 17, 2025
- Operation: Air carrier
- Aircraft: [N672NK](https://openairdocs.org/aircraft/N672NK), registered now
- Make and model: Airbus A321-231
- Registry model: [Airbus A321-231](https://openairdocs.org/model/airbus-a321-231) (OpenAirDocs)
- Aircraft serial: 7522
- Aircraft time: 27,896 hours, 12,396 cycles
- System (JASC): [2120 · Air Distribution System](https://openairdocs.org/jasc/2120)
- Part: Vent
- Part number: VFT300B00
- Part serial: 42605999
- Condition: Inoperative
- Location: Zone 100
- Part time: 27,887 hours, 12,392 cycles
- Stage of operation: IN
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/GTIA2025071738993

## Discrepancy

VENT AVNCS SYS FAULT-ACCOMPLISHED FAULT ISOLATION IAW TSM 21-26-00-810-853-A DO TO HISTORY AND PRIOR CORRECTIVE ACTION R&R AEVC 10HQ IAW AMM 21-26-34 PB401 OPERATIONAL TEST SATISFACTORY NO FAULTS NOTED

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