# SDR ASAA2016041416415

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 14, 2016
- Submitted: April 18, 2016
- Operation: Air carrier
- Aircraft: [N564AS](https://openairdocs.org/aircraft/N564AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35103
- Aircraft time: 36,441 hours, 11,106 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Fmc
- Part number: 1762000101
- Part serial: 003128
- Condition: Failed
- Location: Right
- Part time: 33,185 hours, 9,872 cycles
- Stage of operation: DE
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2016041416415

## Discrepancy

AT START OF DESCENT IN VNAV SPEED BUG TRANSITIONED TO MACH 0.82 TWICE.  ACFT GROUNDED.  R & R RT FMC IAW AMM 34-61-02-000-801/34-61-02-400-801.  ACCOMPLISHED LOAD OF ALL FMC SOFTWARE IAW AMM 34-61-00/201, FMCS PERFORMANCE FACTORS ADJUSTMENT IAW AMM TASK 34-61-00-800-801, FLIGHT MANAGEMENT COMPUTER SYSTEM OPS TEST IAW AMM 34-61-00-710-801.  ALL CHECK GOOD.

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