# SDR ASAA2019060529574

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 1, 2019
- Submitted: June 5, 2019
- Operation: Air carrier
- Aircraft: [N464AS](https://openairdocs.org/aircraft/N464AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 40714
- Aircraft time: 20,460 hours, 6,594 cycles
- System (JASC): [2300 · Communications System](https://openairdocs.org/jasc/2300)
- Part: Transceiver
- Part number: 8222835002
- Part serial: 40D4KH
- Condition: Failed
- Location: Satcom
- Part time: 22,685 hours, 6,598 cycles
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2019060529574

## Discrepancy

SATCOM LOCKED UP. QRH PERFORMED. NO SUCCESS. GROUNDED - YES. REMOVED & REPLACED SATCOM IRIDIUM TRANSCEIVER REF B737-900 AMM 23-15-00 1 C/B OPEN & CLOSED, SYSTEM TEST PASSED.

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