# SDR ASAA2022073039279

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 30, 2022
- Submitted: August 1, 2022
- Operation: Air carrier
- Aircraft: [N433AS](https://openairdocs.org/aircraft/N433AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 41704
- Aircraft time: 32,730 hours, 10,347 cycles
- System (JASC): [2840 · Fuel Indicating System](https://openairdocs.org/jasc/2840)
- Part: Indicator
- Part number: UNKNOWN
- Condition: False Indication
- Location: Unknown
- Stage of operation: CR
- 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/ASAA2022073039279

## Discrepancy

IN CRUISE FLIGHT RIGHT FUEL INDICATION WENT FROM 6,500 LBS TO 5,300 LBS AND BACK UP TO 6,500 LBS OVER THE COURSE OF ABOUT 1 MINUTE. GROUNDED - YES. PERFORMED FQIS BITE TEST REF B737-900 FIM 28-41 TASK 801, NO CURRENT FAULT OR HISTORY FAULT LOGGED, FQIS GROUND TEST PASSED, ACCOMPLISHED FUEL IMBALANCE CONDITIONAL INSPECTION REF AMM 05-51-48, NO DEFECTS OR LEAKS NOTED.

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