# SDR 06FDEA03131

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 28, 2006
- Submitted: August 29, 2006
- Operation: Air carrier
- Aircraft: N479FE
- Make and model: Boeing 727-200
- Registry model: [Boeing 727-200](https://openairdocs.org/model/boeing-727-200) (OpenAirDocs)
- Aircraft serial: 21461
- Aircraft time: 41,783 hours, 26,767 cycles
- Engine: Pwa JT8D17
- System (JASC): [7711 · Engine Pressure Ratio (EPR)](https://openairdocs.org/jasc/7711)
- Part: Indicator
- Condition: Inoperative
- Location: Epr
- Stage of operation: TO
- How discovered: O
- Nature of condition: P
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/06FDEA03131

## Discrepancy

DURING RUNUP FOR T/O WITH INOP EPR GAUGE NEITHER N1 OR EPR WOULD GET APLC   CALCULATED PARAMETERS. REJECTED T/O CALCULATED NR 2 ENG. EPR WAS 2.18 ACHIEVED ONLY 2.03 EPR. CALCULATED N1 WAS 100.6 ONLY ACHIEVED 97.0 N1. ENGINE NOT MAKING ENOUGH POWER.

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