# SDR ASAA2022100140131

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 1, 2022
- Submitted: October 3, 2022
- Operation: Air carrier
- Aircraft: [N530AS](https://openairdocs.org/aircraft/N530AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 36578
- Aircraft time: 44,316 hours, 12,939 cycles
- System (JASC): [3460 · Flight Management Computing Hardware System](https://openairdocs.org/jasc/3460)
- Part: Fmc
- Part number: UNKNOWN
- Condition: Fault Message
- Location: Unknown
- Stage of operation: NR
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2022100140131

## Discrepancy

ON GROUND AT PAKT FMC DISAGREE LIGHT MOMENTARILY ILLUMINATED AND THEN EXTINGUISHED. QRH CHECKLIST REFERENCED ALSO- GROUND POWER UNIT AT PAKT FAILED/DROPPED OFFLINE LEFT A/C ELECTRICALLY UNPOWERED AND OPERATING ON BATTERY POWER FOR SEVERAL MINUTES. GROUNDED - YES. ACCOMPLISHED FMC SENSOR TEST ON BOTH FMC'S, BOTH SHOW OK REF B737-800 AMM 34-61-00-026.

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