# SDR ASAA2016011614814

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 16, 2016
- Submitted: January 26, 2016
- Operation: Air carrier
- Aircraft: [N589AS](https://openairdocs.org/aircraft/N589AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35686
- Aircraft time: 31,500 hours, 9,567 cycles
- System (JASC): [2840 · Fuel Indicating System](https://openairdocs.org/jasc/2840)
- Part: Compensator
- Part number: 2020201
- Part serial: 7533
- Condition: Failed
- Location: Nr 1 Fuel Tank
- Part time: 31,562 hours, 9,584 cycles
- Stage of operation: NR
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2016011614814

## Discrepancy

NR 1 MAIN TANK F/Q INOPERATIVE.  ACFT GROUNDED.  ACCOMPLISHED TANK UNITS AND COMPENSATOR TESTS IAW AMM 28-41-21-710-801 AND FOUND THE COMPENSATOR AND PROBES F4, F6 AND F8 OUT OF TOLERANCE.  REPLACED BAD PROBES.  NR 1 TANK F/Q SYSTEM TEST NOW GOOD AMM 28-41-00-730-801 AND COMPARISON CHECK GOOD REF AMM 28-41-00-720-801.  BALANCED FUEL LOAD AS REQUIRED.

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