# SDR AALA202504018596

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 28, 2025
- Submitted: April 1, 2025
- Operation: Air carrier
- Aircraft: [N948NN](https://openairdocs.org/aircraft/N948NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 31189
- Aircraft time: 32,404 hours, 13,317 cycles
- System (JASC): [2840 · Fuel Indicating System](https://openairdocs.org/jasc/2840)
- Part: Compensator
- Condition: Faulted
- Location: Fuel Sys
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202504018596

## Discrepancy

AIRCRAFT WAS GROUNDED: IN FLIGHT THE NUMBER 2 FUEL QUANTITY INDICATION BLANKED FOR 2 TO 3 MINUTES. WHEN THE INDICATION RETURNED THE NUMBER 2 QUANTITY WAS APPROXIMATELY 400 LBS BELOW THE NUMBER 1 QUANTITY. THE FUEL HAD BEEN BALANCED SEVERAL MINUTES PRIOR TO WITHIN 100 LBS. FUEL FLOW WAS THE SAME FOR BOTH ENGINES. PERFORMED FIM 28-41-00-810-801. FQIS BITE PROCEDURE FOUND COMPENSATOR AT FAULT. **SUPPLEMENTAL REPORT WILL BE SUBMITTED**(OPEN).

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