# SDR AALA202202247746

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: February 20, 2022
- Submitted: February 24, 2022
- Operation: Air carrier
- Aircraft: [N836NN](https://openairdocs.org/aircraft/N836NN), registered now
- Make and model: Boeing 737*
- Aircraft serial: 31095
- Aircraft time: 34,827 hours, 14,245 cycles
- System (JASC): [2822 · Fuel Boost Pump](https://openairdocs.org/jasc/2822)
- Part: Pump
- Part number: 607551005
- Part serial: 4682
- Condition: Faulty
- Location: Zone 500 - Lh Wi
- Stage of operation: CL
- How discovered: V
- Nature of condition: P, O
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202202247746

## Discrepancy

AIRCRAFT WAS GROUNDED: WING FUEL TANKS INDICATED FUEL BURN DESPITE FUEL IN CENTER TANK WITH ALL FUEL PUMPS ON AND CROSSFEED CLOSED, CONSTANT BALANCE REQUIRED; FLIGHT DECLARED EMERGENCY AND DIVERTED TO MSY. REPLACED FWD LH FUEL PUMP WITH SERVICEABLE UNIT IAW AMM 28-22-41, LEAK AND OPS CHECK GOOD.

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