# SDR CA040121001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 19, 2004
- Submitted: March 1, 2004
- Operation: General aviation
- Make and model: Boeing 727225
- Engine: Pwa JT8D15A
- System (JASC): [7711 · Engine Pressure Ratio (EPR)](https://openairdocs.org/jasc/7711)
- Part: Transmitter
- Part number: 10607371
- Condition: Failed
- Location: Engine Epr
- Stage of operation: TX
- How discovered: O
- Nature of condition: N
- Precautionary procedure: D
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/CA040121001

## Discrepancy

(CAN) DURING TAXI, IT WAS OBSERVED THAT THE NR 1 ENGINE EPR HAD NO INDICATION.  THE AIRCRAFT WAS RETURNED TO THE RAMP.  AFTER SOME TROUBLESHOOTING, MEL 77-01-01 WAS RAISED.  THIS IS A 3 FLIGHT DAY, A CAT, MEL.  THE  AIRCRAFT WAS DISPATCHED.ON RETURN TO HOME BASE, THE EPR TRANSMITTER WAS REPLACED AND CHECKED SERVICEABLE AND NO FURTHER PROBLEM DURING SUBSEQUENT FLIGHT.

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