# SDR SWAA2020051477787

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 31, 2020
- Submitted: May 14, 2020
- Operation: Air carrier
- Aircraft: [N906WN](https://openairdocs.org/aircraft/N906WN), registered now
- Make and model: Boeing 737-7H4
- Registry model: [Boeing 737-7H4](https://openairdocs.org/model/boeing-737-7h4) (OpenAirDocs)
- Aircraft serial: 36887
- Aircraft time: 41,958 hours, 24,559 cycles
- Engine: Cfmint CFM567B242
- System (JASC): [7321 · Fuel Control/Turbine Engines](https://openairdocs.org/jasc/7321)
- Part: Eec
- Part number: 1853M33P06
- Part serial: LMDN5132
- Condition: Failed
- Location: Nr 1 Engine
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/SWAA2020051477787

## Discrepancy

#1 ENGINE ROLLED BACK IN CRUISE BUT FULL POWER AUTHORITY WAS REGAINED AT A LOWER ALTITUDE. ENGINE CONTROL LIGHT ILLUMINATED AFTER LANDING. / REMOVED & REPLACED THE ELECTRONIC ENGINE CONTROL UNIT IAW M/M 73-21-60. RAR 53220 PN: 1853M33P06 SN OFF: LMDN5132 SN ON: LMDN9459

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