# SDR AALA2019120549010

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 2, 2019
- Submitted: December 5, 2019
- Operation: Air carrier
- Aircraft: [N199AN](https://openairdocs.org/aircraft/N199AN), registered now
- Make and model: Boeing 757223
- Aircraft serial: 32393
- Aircraft time: 57,749 hours, 16,435 cycles
- Engine: Rroyce RB211535E4
- System (JASC): [7320 · Fuel Controlling System](https://openairdocs.org/jasc/7320)
- Part: Eec
- Part number: ESC10401B1
- Part serial: BX36103
- Condition: Faulty
- Location: Lt Engine
- 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/AALA2019120549010

## Discrepancy

AIRCRAFT WAS GROUNDED: PILOT REPORTS AS THROTTLES WERE ADVANCED FOR TAKE OFF AND N1/EPR BUTTON ENGAGED, THE LEFT EEC AND LEFT ENGINE LIMITER ILLUMINATED/ N1/EPR WOULD NOT ENGAGE. MAINTENANCE REMOVED AND REPLACED LEFT ENGINE EEC SUPERVISORY AND LIMITER IAW AMM 73-21-07. RAN UP ENGINE, ALL INDICATIONS NORMAL. INTERROGATED THE EEC IAW AMM 73-21-00, NO FAULTS DISPLAYED, APPROVED FOR SERVICE.

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