# SDR AALA2019120659012

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 3, 2019
- Submitted: December 6, 2019
- Operation: Air carrier
- Aircraft: [N802NN](https://openairdocs.org/aircraft/N802NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 31073
- Aircraft time: 31,907 hours, 12,941 cycles
- Engine: Cfmint CFM567B243
- System (JASC): [7603 · Power Lever](https://openairdocs.org/jasc/7603)
- Part: Engine
- Condition: Slow
- Location: Left
- Stage of operation: CL
- How discovered: O
- Nature of condition: S
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA2019120659012

## Discrepancy

AIRCRAFT WAS GROUNDED: PILOT REPORTS FROM SHORTLY AFTER T/O UNTIL 18,000 LEFT ENGINE COMMANDED THRUST WAS 2-3% BELOW N1 COMMANDED THRUST SECTOR. GAP SLOWLY DECREASED UNTIL ALL NORMAL AT 18,000 FT. MAINTENANCE PERFORMED ENGINE ACCELERATION CHECK IAW AMM 71-00-00. BOTH ENGINES SPOOLED UP QUICKLY AND THROTTLES ALIGNED. NO FAULTS NOTED AT THIS TIME.

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