# SDR ASAA2023041442897

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 14, 2023
- Submitted: April 17, 2023
- Operation: Air carrier
- Aircraft: [N563AS](https://openairdocs.org/aircraft/N563AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35180
- Aircraft time: 59,124 hours, 17,412 cycles
- System (JASC): [7320 · Fuel Controlling System](https://openairdocs.org/jasc/7320)
- Part: Harness
- Part number: 3250435030
- Condition: Faulty
- Location: #1 Engine
- Stage of operation: IN
- How discovered: V
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2023041442897

## Discrepancy

CREW REPORTS #1 ENGINE CONTROL AMBER LIGHT ILLUMINATED AFTER ENGINE START. GROUNDED - YES. #1 ENG EEC LOGGED FAULT 75-20431 VBV DEMAND & POSITION SIGNALS DISAGREE. REPLACED J10 HARNESS. EEC BITE SHOWS NO FAULTS. ACTUATORS TEST PASS, RAN ENGINE #1 WITH NO DISCREPANCIES, NO ENG CONT. LIGHT. ALL OPS NML, REF B737-800 AMM 73-21-06, 73-21-00, 71-00-00, B737-800 FIM 75-32/801.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.