# SDR P5CA2015030300013

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 3, 2015
- Submitted: March 3, 2015
- Operation: Air carrier
- Aircraft: [N416MC](https://openairdocs.org/aircraft/N416MC), registered now
- Make and model: Boeing 747-47UF
- Registry model: [Boeing 747-47UF](https://openairdocs.org/model/boeing-747-47uf) (OpenAirDocs)
- Aircraft serial: 32838
- Aircraft time: 56,603 hours, 9,131 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Computer
- Part number: 4052508952
- Part serial: 0207A689
- Condition: Malfunctioned
- Location: Fmc
- Part time: 26,000 hours, 4,307 cycles
- Stage of operation: CR
- How discovered: O
- Nature of condition: G
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/P5CA2015030300013

## Discrepancy

DUAL FMC FAILURE FOLLOWED BY RESYNC. ABLE TO ESTABLISH FMC OPERATION NORMAL.  DISP NOTIFIED.  R & R RT FLIGHT MANAGEMENT COMPUTER AND INSTALLED FMC SOFTWARE THEN GROUND TEST PASSED IAW AMM 34-61-01/401. PERFORMED BOTH FMC LT AND RT GROUND TEST PASS IAW AMM 34-61-00/501, AUTOLAND UNIQUE TEST PASSED IAW 
 AMM 27-00-00/501.

---
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.