# SDR IPXA2019021548996

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 14, 2019
- Submitted: February 15, 2019
- Operation: Air carrier
- Aircraft: [N457UP](https://openairdocs.org/aircraft/N457UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 25478
- Aircraft time: 30,160 hours, 18,060 cycles
- System (JASC): [7710 · Power Indicating System](https://openairdocs.org/jasc/7710)
- Part: Epr System
- Condition: Warning Message
- Location: Left Engine
- Stage of operation: CR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: B
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2019021548996

## Discrepancy

IN CRUISE LEFT COMMAND EPR SECTOR INDICATING HIGHER EPR (1.68) THAN ACTUAL EPR DISPLAYED (1.61). 3/4 OF A THROTTLE SPLIT. EVENT RECORD BUTTON PRESSED. FL390. DECENDED TO LOWER CRUISE ALT, FL290. ENG INDICATIONS NORMAL. NO THROTTLE SPLITPER FIM 73-21-00-815-823 FIG 117 PER BLOCK 32 OF FIM, THRUST LEVERS WITHIN LIMITS FOR FL390

---
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.