# SDR DHLA200700051

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 4, 2007
- Submitted: October 4, 2007
- Operation: Air carrier
- Aircraft: N770AT
- Make and model: Boeing 727-2B7
- Registry model: [Boeing 727-2B7](https://openairdocs.org/model/boeing-727-2b7) (OpenAirDocs)
- Aircraft serial: 21953
- Aircraft time: 66,295 hours, 38,864 cycles
- System (JASC): [7200 · Engine (Turbine/Turboprop)](https://openairdocs.org/jasc/7200)
- Part: Engine
- Condition: Malfunctioned
- Stage of operation: TO
- How discovered: O
- Nature of condition: J
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DHLA200700051

## Discrepancy

REJECTED T/O ELP DUE TO NR 1 ENG PARAMETERS OUT OF NORMAL RANGE VS NR 2 AND NR 3 ENGS GW=147.9, SPEED EST .50 KNOTS, TEMP 29 DEGREES C PA 3950 REVERSE THRUST USED RAN NR 1 AND NR 3 ENG'S AND VERIFIED N1 AND N2 MATCHED.  DEFERRED NR 1 ENG EPR GAUGE PER MEL 77-1-1 CAT A CONTROL NR 30271 0254Z KPS RTO INSP NOT REQUIRED PER M/M 5-51-121.

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