# SDR TSAA0473068

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: September 14, 2004
- Submitted: September 28, 2004
- Operation: Air carrier
- Aircraft: [N819AL](https://openairdocs.org/aircraft/N819AL), registered now
- Make and model: Boeing 737-25A
- Registry model: [Boeing 737-25A](https://openairdocs.org/model/boeing-737-25a) (OpenAirDocs)
- Aircraft serial: 23791
- Aircraft time: 40,977 hours, 52,581 cycles
- Engine: Pwa JT8D9A
- Engine time: 39,347 hours, 60,060 cycles
- System (JASC): [7321 · Fuel Control/Turbine Engines](https://openairdocs.org/jasc/7321)
- Part: Fcu
- Part number: 7436025
- Part serial: 76424
- Condition: Malfunctioned
- Location: Nr 1 Engine
- Stage of operation: CL
- How discovered: O
- Nature of condition: R, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/TSAA0473068

## Discrepancy

ON TAKEOFF UNABLE TO OBTAIN MAX-POWER ON NR 1 ENGINE, ENGINE POWER ADVANCED NORMALLY UNTIL 1.96-1.97 EPR INDICATION.  MAX-POWER OBTAINED WAS 1.97 EPR WITH N1 AT 94 PERCENT; FURTHER THRUST LEVER MOVEMENT HAD NO EFFECT.  REMOVED AND REPLACED THE NR 1 ENGINE FCU IAW PRATT MM 79-21-01. PERFORMED LEAK VERIFICATION IAW AQ FORM M-215.  OPS AND LEAK CHECK GOOD, AIRCRAFT RETURNED TO SERVICE.

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