# SDR IPXA2024032545819

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 24, 2024
- Submitted: March 25, 2024
- Operation: Air carrier
- Aircraft: [N583UP](https://openairdocs.org/aircraft/N583UP), registered now
- Make and model: Boeing 747-4R7F
- Registry model: [Boeing 747-4R7F](https://openairdocs.org/model/boeing-747-4r7f) (OpenAirDocs)
- Aircraft serial: 25867
- Aircraft time: 132,235 hours, 22,342 cycles
- Engine: Ge CF680
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Part number: UNKNOWN
- Part serial: NA
- Condition: Power Loss
- Location: Nr 4
- Stage of operation: CR
- How discovered: O
- Nature of condition: R
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2024032545819

## Discrepancy

*IN FLIGHT SHUT DOWN* AT FL350, #4 ENGINE SHOWED REDUCED THRUST AND DID NOT RESPOND TO THRUST LEVEL INPUT. THERE WERE NO EICAS MSG€™S OR CAUTION INDICATIONS ON THE ENG PAGE. CREW ELECTED TO SHUT DOWN #4 ENGINE. R&R #4 ENGINE PS3 LINE NEAR 8 O€™CLOCK POSITION BEHIND FAN DISCHARGE AIR TUBE IAW AMM 70-20-01.  OPS AND LEAK CHECK GOOD.  PERFORMED POWER ASSURANCE TEST #10 IAW AMM 71-00-00.  ALL PARAMETERS NORMAL AND WITHIN LIMITS.

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