# SDR ASAA2014032407284

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 24, 2014
- Submitted: March 26, 2014
- Operation: Air carrier
- Aircraft: [N597AS](https://openairdocs.org/aircraft/N597AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35689
- Aircraft time: 22,855 hours, 7,121 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [7320 · Fuel Controlling System](https://openairdocs.org/jasc/7320)
- Part: Eec
- Part number: 2042M67P02
- Part serial: FFFB0396
- Condition: Failed
- Location: Nr 2 Engine
- Part time: 26,916 hours, 8,322 cycles
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2014032407284

## Discrepancy

NR 2 ENGINE BITE TEST SHOWS FAULT CODES 75-10592 TBV POSITION SIGNAL OUT OF RANGE, 75-20412 HPTACC POSITION SIGNAL DISAGREE, AND 75-10412 HPTACC POSITION SIGNAL DISAGREE. ACFT GROUNDED.  REPLACED EEC FADEC IAW AMM 73-21-60-400-801-F00, EEC FADEC TEST PERFORMED, NO FAULTS.  REF AMM 73-21-00-700-802-F00.  EEC DISCRETE TEST PERFORMED, NO FAULTS. REF AMM 73-21-00-700-809F00.

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