# SDR ASAA2021032834448

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 28, 2021
- Submitted: March 30, 2021
- Operation: Air carrier
- Aircraft: [N589AS](https://openairdocs.org/aircraft/N589AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35686
- Aircraft time: 48,273 hours, 14,331 cycles
- Engine: Cfmint CFM567B27
- System (JASC): [7320 · Fuel Controlling System](https://openairdocs.org/jasc/7320)
- Part: Eec
- Part number: 2042M67P02
- Part serial: FFFB1222
- Condition: Faulted
- Location: Nr 2 Engine
- Part time: 44,408 hours, 13,035 cycles
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2021032834448

## Discrepancy

WHILE ACCOMP T/C# N8472002 EEC TEST FOUND ENG #2 "MSG #73-10242 INTERNAL EEC FAULT. THE ALTN MODE LIGHT IS ALWAYS OFF" & MSG #71-11002 THE APL INPUT VOLTAGE FOR R EXCITER (IGN R) IS ALWAYS ON". GROUNDED - YES. REMOVED AND REPLACED #2 ENGINE EEC, PERFORMED EEC INSTALLATION TEST REF B737-800 AMM 73-21-60-000-801-F00 AND AMM 73-21-60-400-801-F00. TEST PASSED, NO FAULT NOTED.

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