# SDR ASAA2023022242049

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 22, 2023
- Submitted: February 24, 2023
- Operation: Air carrier
- Aircraft: [N512AS](https://openairdocs.org/aircraft/N512AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 39043
- Aircraft time: 51,807 hours, 15,242 cycles
- System (JASC): [2840 · Fuel Indicating System](https://openairdocs.org/jasc/2840)
- Part: Processing Unit
- Part number: 3012803
- Part serial: 2975
- Condition: Faulty
- Location: Weather Radar Ba
- Part time: 44,845 hours, 15,253 cycles
- Stage of operation: NR
- 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/ASAA2023022242049

## Discrepancy

LEFT FUEL QUANTITY AND TOTAL FUEL QUANTITY INDICATORS CONTINUOUSLY BLANK OUT FOR ABOUT 11 SECONDS THEN REAPPEAR. GROUNDED - YES. 8 FLIGHT LEGS OF FQIS PROCESSOR FAULURE CODE 28-41109. RMVD & RPLCD FUEL QTY PROCESSOR UNIT REF B737-800 AMM 28-41-81. OPS NORMAL PER SAME. ETOPS GND VERIFICATION TEST PASS.

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