# SDR ASAA2020102933452

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 29, 2020
- Submitted: November 3, 2020
- Operation: Air carrier
- Aircraft: [N584AS](https://openairdocs.org/aircraft/N584AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35682
- Aircraft time: 48,699 hours, 14,461 cycles
- System (JASC): [2840 · Fuel Indicating System](https://openairdocs.org/jasc/2840)
- Part: Processor
- Part number: 3012803
- Part serial: 2498
- Condition: Faulted
- Location: Fuel Qty
- Part time: 48,693 hours, 14,459 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2020102933452

## Discrepancy

INTERMITTENT VERIFY GW AND FUEL SWITCH PAD MESSAGE WHEN MESSAGE APPEARS FUEL ON PERF INT PAGE IS DASHES.  GROUNDED-YES.  MULTIPLE FUEL QTY PROCESS UNIT FAULTS LAST LEG AND MULTIPLE FLIGHTS.  REMOVED AND REPLACED PROCESSOR, REF B737-800 AMM 28-41-81/401.  OPERATIONS CHECK OK.  FQIS OPERATIONS TEST PASS, REF AMM 28-41-00-710-801.  ETOPS GROUND VERIFICATION OK.

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