# SDR ASAA2021112836721

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 28, 2021
- Submitted: November 30, 2021
- Operation: Air carrier
- Aircraft: [N512AS](https://openairdocs.org/aircraft/N512AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 39043
- Aircraft time: 47,773 hours, 14,117 cycles
- System (JASC): [2840 · Fuel Indicating System](https://openairdocs.org/jasc/2840)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- 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/ASAA2021112836721

## Discrepancy

#1 FUEL QTY GAUGE & TOTAL FUEL QTY GAUGES DISAPPEAR AND REAPPEAR. GROUNDED - YES. PERFORMED FQIS BITE TEST REF B737-800 FIM 28-41 TASK 801 & TASK 808. NO DEFECTS FOUND ON SELF TEST. AS PRECAUTION, PERFORMED BITE TEST FOR DEU'S 1 & 2 REF FIM 31-62 TASK 802. NO FAULTS FOUND.

---
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.