# SDR ASAA2016072117476

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 21, 2016
- Submitted: July 25, 2016
- Operation: Air carrier
- Aircraft: [N413AS](https://openairdocs.org/aircraft/N413AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 35205
- Aircraft time: 13,555 hours, 4,346 cycles
- Engine: Cfmint CFM567B27E
- System (JASC): [7320 · Fuel Controlling System](https://openairdocs.org/jasc/7320)
- Part: Eec
- Condition: Faulted
- Location: Nr 1
- Stage of operation: TX
- 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/ASAA2016072117476

## Discrepancy

NR 1 EEC LOGGED 73-30311. START SWITCH SIGNAL AND ARINC BUSS DATA DISAGREE.  ACFT GROUNDED.  COULD NOT DUPLICATE MALFUNCTION.  VERIFIED BOTH DEUS START SWITCH DISCRETES CORRECTLY & EEC BITE IS NORMAL WITH START SWITCH SELECTED TO ALL FOUR POSITIONS. REF FIM 73-24 TASK 813.

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