# SDR TSAA0477063

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 26, 2004
- Submitted: August 31, 2004
- Operation: Air carrier
- Aircraft: N807AL
- Make and model: Boeing 737-2T4
- Registry model: [Boeing 737-2T4](https://openairdocs.org/model/boeing-737-2t4) (OpenAirDocs)
- Aircraft serial: 23443
- Aircraft time: 40,378 hours, 60,053 cycles
- Engine: Pwa JT8D9A
- System (JASC): [7711 · Engine Pressure Ratio (EPR)](https://openairdocs.org/jasc/7711)
- Part: Transmitter
- Part number: LG80A6
- Part serial: J0733
- Condition: Inoperative
- Location: Nr 1 Eng Epr
- Stage of operation: TO
- How discovered: O
- Nature of condition: N
- Precautionary procedure: C
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/TSAA0477063

## Discrepancy

ON TAKE-OFF ROLL THE NR 1 ENGINE ONLY INDICATED 1.76 EPR; THE THROTTLES WERE ADVANCED WITH NO RESPONSE FROM ANY INSTRUMENTS. REJECTED TAKE-OFF AND RETURNED TO GATE.  REPLACED THE NR 1 ENGINE EPR TRANSMITTER AND CLEARED THE PT2 INLET PROBE OF DEBRIS.  RAN NR 1 ENGINE TO REFERENCE PARAMETERS IAW AMM 73-20-00, OPS CHECK GOOD. AIRCRAFT RETURNED TO SERVICE.

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