# SDR ASAA2023042542998

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 25, 2023
- Submitted: April 26, 2023
- Operation: Air carrier
- Aircraft: [N517AS](https://openairdocs.org/aircraft/N517AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35197
- Aircraft time: 51,571 hours, 15,038 cycles
- System (JASC): [2840 · Fuel Indicating System](https://openairdocs.org/jasc/2840)
- Part: Processing Unit
- Part number: 3012803
- Part serial: 2760
- Condition: Faulty
- Location: Radar Bay
- Part time: 51,830 hours, 15,374 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/ASAA2023042542998

## Discrepancy

#1 FLIGHT DECK FUEL QUANTITY INDICATOR INTERMITTENTLY BLANKS AND THEN RETURNS. GROUNDED - YES. PERFORMED FQIS BITE FOUND NO FAULTS DUE TO HISTORY. REPLACED FQPU REF B737-800 AMM 28-41-81/401 ALL REQUIRED TESTS PASSED.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.