# SDR ASAA2018042324379

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 23, 2018
- Submitted: April 26, 2018
- Operation: Air carrier
- Aircraft: [N512AS](https://openairdocs.org/aircraft/N512AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 39043
- Aircraft time: 37,522 hours, 11,288 cycles
- System (JASC): [2841 · Fuel Quantity Indicator](https://openairdocs.org/jasc/2841)
- Part: Compensator
- Condition: Failed
- Location: Nr 2 Fuel Tank
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2018042324379

## Discrepancy

PERFORMED A TANK AND COMPENSATOR UNITS TEST OF THE NR 2 TANK IAW AMM 28-41-21-710-801.  FOUND THE TU NR 3 TO BE OUT OF LIMITS. REPLACED TU IAW AMM 28-41-21/401.  LEAK CHECKED GOOD. NR 2 FQIS CHECKED GOOD IAW AMM 28-41-00-710-801. NR 2 FQIS SYSTEM TEST PASSED IAW AMM 28-41-00-730-801. ACFT  GROUNED.

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