# SDR ASAA1058666

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 20, 2010
- Submitted: December 22, 2010
- Operation: Air carrier
- Aircraft: [N581AS](https://openairdocs.org/aircraft/N581AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35188
- Aircraft time: 13,676 hours, 4,296 cycles
- System (JASC): [7320 · Fuel Controlling System](https://openairdocs.org/jasc/7320)
- Part: Unknown
- Condition: Malfunctioned
- 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/ASAA1058666

## Discrepancy

PERFORMED TASK CARD 78273000 "INTERROGATE THE FMC CDU FOR ENGINE FAULTS" NR 1 ENGINE HAD CODE 73 31711 / NR 2 ENGINE HAD CODE 73 31712 BOTH ARE "ADIRU 1 TAT DATA AND ADIRU 2 TAT DATA DISAGREE" SHORT TERM FAULT.  PERFORMED FIM 73 28 TASK 808 EEC TEST PASSES FOR BOTH ENGINES FAULT NO LONGER ACTIVE.

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