# SDR ASAA2021120736834

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 7, 2021
- Submitted: December 9, 2021
- Operation: Air carrier
- Aircraft: [N512AS](https://openairdocs.org/aircraft/N512AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 39043
- Aircraft time: 47,875 hours, 14,142 cycles
- System (JASC): [2840 · Fuel Indicating System](https://openairdocs.org/jasc/2840)
- Part: Probe
- Part number: 202000212
- Condition: Failed
- Location: #2 Main Tank
- Stage of operation: IN
- How discovered: O
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2021120736834

## Discrepancy

#2 MAIN TANK FQIS FAILS SYSTEM TEST REF B737-800 AMM 28-4100-730-801. GROUNDED - YES. REMOVED AND REPLACED PROBES TU1, TU7, TU8 AND TU10. REF B737-800 AMM 28-41-21. ALL PROBES NOW WITHIN ACCEPTABLE LIMITS AND SYSTEM TEST GOOD REF AMM 28-41-00--730-801.

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