# SDR IPXA10558522

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 16, 2010
- Submitted: February 17, 2010
- Operation: Air carrier
- Aircraft: [N452UP](https://openairdocs.org/aircraft/N452UP), registered now
- Make and model: Boeing 757-24APF
- Registry model: [Boeing 757-24APF](https://openairdocs.org/model/boeing-757-24apf) (OpenAirDocs)
- Aircraft serial: 25473
- System (JASC): [7711 · Engine Pressure Ratio (EPR)](https://openairdocs.org/jasc/7711)
- Part: Transmitter
- Part number: 7898301
- Part serial: 97051266
- Condition: Leaking
- Location: Lt Engine Epr
- Stage of operation: CR
- How discovered: O
- Nature of condition: K, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA10558522

## Discrepancy

LT ENGINE ROLLED BACK, CREW COULD NOT MAINTAIN ALTITUDE.  DECLARED EMERGENCY.  DIVERTED TO BIL.  PERFORMED EPR INDICATING SYSTEM AIR INSPECTION AND FOUND LEAK AT ZONE 1 OF MM 77-11-00-5 AND MM 77-11-04-6.  REPLACED EPR TRANSMITTER PER MM 71-11-01-4 AND ENG POWER RUN TEST NR 5.

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