# SDR AALA202003179012

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 2, 2020
- Submitted: March 17, 2020
- Operation: Air carrier
- Aircraft: [N186US](https://openairdocs.org/aircraft/N186US), registered now
- Make and model: Airbus A321-211
- Registry model: [Airbus A321-211](https://openairdocs.org/model/airbus-a321-211) (OpenAirDocs)
- Aircraft serial: 1701
- Aircraft time: 60,865 hours, 22,975 cycles
- System (JASC): [2312 · VHF Communications System](https://openairdocs.org/jasc/2312)
- Part: Transceiver
- Part number: EVR750030100A
- Part serial: 4689707A01731
- Condition: Defective
- Location: Vhf Comm
- Part time: 56,604 hours, 28,847 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202003179012

## Discrepancy

AIRCRAFT WAS GROUNDED: UNABLE TO TRANSMIT OR RECIEVE ON #2 OR #3 RADIOS. ***SUPPLEMENTAL ACTION SECTION 4 AND 5: REMOVED AND REPLACED #3 VHF IAW AMM# 23-12-33-000-001-A AND 23-12-3-400-001-A OPS CHECK GOOD. ALSO SEE AALA202003069021***(CLOSED)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.