# SDR ASAA2022111940860

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 19, 2022
- Submitted: November 21, 2022
- Operation: Air carrier
- Aircraft: [N469AS](https://openairdocs.org/aircraft/N469AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41702
- Aircraft time: 31,118 hours, 9,905 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Fmc
- Part number: UNKNOWN
- Condition: Failed
- Location: Unknown
- Stage of operation: LD
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022111940860

## Discrepancy

AFTER LANDING ALL FMC DATA/INFORMATION WAS LOST. FMC PROMPT ON MENU PAGE NOT SHOWN. GROUNDED - YES. FMC PROMPT CURRENTLY SHOWS ON BOTH MCDU'S AND DATA SHOWS AS WELL. PERFORMED B737-900 FIM 34-61 TASK 807 FOUND "PGM FAULT" ON LEFT FMC ON GROUND, THIS IS A NUISANCE FAULT. NO OTHER FAULTS NOTED AT THIS TIME. PERFORMED FMC OPS CHECK, CHECKED GOOD AT THIS TIME. REF B737-900 AMM 34-60-00-710-801.

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