# SDR ASAA2019062649819

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 24, 2019
- Submitted: June 27, 2019
- Operation: Air carrier
- Aircraft: [N518AS](https://openairdocs.org/aircraft/N518AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35693
- Aircraft time: 39,521 hours, 11,753 cycles
- System (JASC): [2840 · Fuel Indicating System](https://openairdocs.org/jasc/2840)
- Part: Compensator
- Part number: 2020201
- Part serial: 3837
- Condition: Failed
- Location: Rt Wing Fuel
- Part time: 13,415 hours, 3,951 cycles
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2019062649819

## Discrepancy

NR 2 MAIN TANK FUEL QUANTITY INDICATION SYSTEM FAILS SYSTEM TEST IAW AMM TASK 28-41-00-730-801. GROUNDED - YES. PERFORMED TANK UNIT AND COMP TEST REF B737-800 AMM TASK 28-41-21-710-801. COMPENSATOR FAILS AT 60.58 PICO FARADS. ALL TANK UNITS READ GOOD. REMOVED AND REPLACED COMP UNIT REF AMM TASK 28-41-21-000/400-801 COMP UNIT TEST NOW GOOD.

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