# SDR AALA202006299001

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 22, 2020
- Submitted: June 29, 2020
- Operation: Air carrier
- Aircraft: [N802NN](https://openairdocs.org/aircraft/N802NN), registered now
- Make and model: Boeing 737823
- Aircraft serial: 31073
- Aircraft time: 32,873 hours, 13,396 cycles
- Engine: Cfmint CFM567B20
- System (JASC): [7314 · Engine Fuel Pump](https://openairdocs.org/jasc/7314)
- Part: Pump
- Part number: 82830011
- Part serial: YA012249L
- Condition: Defective
- Location: Nr 2 Engine Fuel
- Part time: 51,937 hours, 21,132 cycles
- Stage of operation: CL
- How discovered: O
- Nature of condition: R, J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202006299001

## Discrepancy

AIRCRAFT WAS GROUNDED: #1 ENGINE ACCELERATES SLOWER THAN #2. MOST NOTICABLE WHEN SETTING TAKEOFF POWER. REPLACED THE FOLLOWING COMPONENTS ON THE LEFT HAND ENGINE; HYDROMECHANICAL UNIT (HMU) PER TASK CARD 73-94-12 (AALA202006249002), ENGINE FUEL PUMP PER AMM 73-11-01 (AALA202006299001) AND ENGINE ELECTRONIC CONTROL UNIT (EEC) PER TASK CARD 71-94-04 (AALA202006299002). ACCOMPLISHED A SATISFACTORY LEAK AND OPERATIONAL CHECK PER AMM 71-00-00.

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