# SDR AALA201906049003

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 3, 2019
- Submitted: June 4, 2019
- Operation: Air carrier
- Aircraft: [N821NN](https://openairdocs.org/aircraft/N821NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 30912
- Aircraft time: 29,850 hours, 11,882 cycles
- System (JASC): [2840 · Fuel Indicating System](https://openairdocs.org/jasc/2840)
- Part: Fuel Sys
- Condition: Malfunctioned
- Stage of operation: CR
- How discovered: O
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA201906049003

## Discrepancy

AIRCRAFT WAS GROUNDED: DURING CRUISE, TOTAL FUEL MINUS FUEL USED DIFFERED BY AS MUCH AS 1,900 LBS. FMC FUEL PREDICTION DURING CRUISE TO DECENT DIFFERED BY AS MUCH AS 1800 LBS. TRANSFERRED 3 TIMES TO KEEP FUEL BALANCED. MAINTENANCE ACCOMPLISHED SATISFACTORY OPERATIONAL CHECK PER MM 28-41-00-810-801.

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