# SDR ASAA2013111896457

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 18, 2013
- Submitted: November 21, 2013
- Operation: Air carrier
- Aircraft: [N566AS](https://openairdocs.org/aircraft/N566AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35182
- Aircraft time: 26,478 hours, 8,052 cycles
- System (JASC): [2300 · Communications System](https://openairdocs.org/jasc/2300)
- Part: Transceiver
- Condition: Locked
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2013111896457

## Discrepancy

NO SATCOM PROMPT ON MCDU MENU PAGE.  ACFT GROUNDED.  PERFORMED FIM 23-15, TASK 801, CYCLED CB IAW SAME.  IRIDIUM TRANSCEIVER WAS IN LOCKED-UP STATE, RETURNED TO NORMAL OPS AFTER CB CYCLE.  PERFORMED SATCOM OPS, REF MM 23-15-00-730-801, OPS NORMAL. GROUND VERIFICATION GOOD.

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