# SDR 9WGA2022051754301

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 17, 2022
- Submitted: May 23, 2022
- Operation: Air carrier
- Aircraft: [N543JN](https://openairdocs.org/aircraft/N543JN), registered now
- Make and model: Doug MD-11F
- Registry model: [Doug MD-11F](https://openairdocs.org/model/mcdonnell-douglas-md-11f) (OpenAirDocs)
- Aircraft serial: 48543
- Aircraft time: 79,287 hours, 16,565 cycles
- Engine: Ge CF680C2D1F
- Engine time: 70,672 hours, 14,339 cycles
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Out Of Rig
- Location: Right
- Part time: 70,672 hours, 14,339 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: R
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/9WGA2022051754301

## Discrepancy

AIR RETURN DUE TO ENGINE 3 NOT DEVELOPING FULL CLIMB POWER 4% LESS N1 @ 10000 & 7% LESS AT 35000. ENGINE 3 EGT, N2 & FF CONFIRM POWER LOSS.  ENGINE 3 "T" WOULD NOT ADVANCE INTO THE "V" EVEN WHEN GOING TO THE GIRT BAR. CORRECTIVE ACTION: ECU 3A & 3B CURRENT FAULT T/R L/H RVDT ADJUSTED POSITION TRANSDUCER (TR) PER AMM 78-34-01. PERFORMED HIGH POWER ENGINE RUN AND ALL PARAMETERS NORMAL PER AMM 71-00-00.

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