# SDR DALA2020061802472

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 17, 2020
- Submitted: June 18, 2020
- Operation: Air carrier
- Aircraft: [N105DU](https://openairdocs.org/aircraft/N105DU), registered now
- Make and model: Bombdr BD1001A10
- Aircraft serial: 50024
- Aircraft time: 3,378 hours, 1,531 cycles
- System (JASC): [3140 · Central Computers](https://openairdocs.org/jasc/3140)
- Part: Computer
- Condition: Malfunctioned
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2020061802472

## Discrepancy

SHIP 8105 - ATB/DE - DUE TO NUMEROUS FAULT WARNINGS ASSOCIATED WITH FAILURE OF THE DCM IN CONTROL TO INCLUDE EMERG DESCENT ANNUNCIATED. CORRECTIVE ACTION: TROUBLESHOOTING INDICATED DCM 2A AT FAULT. CARD REPLACED, FDR AND NVM DATA PROVIDED TO ABC FOR FINAL DETERMINATION.

---
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.