# SDR CALA2014010290045

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 1, 2014
- Submitted: January 3, 2014
- Operation: Air carrier
- Aircraft: [N788UA](https://openairdocs.org/aircraft/N788UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26942
- Aircraft time: 73,791 hours, 10,308 cycles
- Engine: Pwa PW4090
- System (JASC): [2842 · Fuel Quantity Sensor](https://openairdocs.org/jasc/2842)
- Part: Processing Unit
- Part number: S345W00110
- Condition: Faulty
- Location: Fuel System
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CALA2014010290045

## Discrepancy

FUEL QTY INDICATION FUEL TANK QUANTITY ACCURACY IS UNACCEPTABLE.  STATUS MESSAGE 2411111 INACTIVE ER INTER MESSAGE 2412250, INACTIVE ER MODE MESSAGE 2820148 & INACTIVE ER INTER.  REPLACED FUEL QTY PROCESSING UNIT IAW AMM, OPERATIONS CHECKED GOOD.

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