# SDR ASAA2017010519257

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 5, 2017
- Submitted: January 9, 2017
- Operation: Air carrier
- Aircraft: [N560AS](https://openairdocs.org/aircraft/N560AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35179
- Aircraft time: 39,707 hours, 12,000 cycles
- System (JASC): [2840 · Fuel Indicating System](https://openairdocs.org/jasc/2840)
- Part: Probe
- Part number: 2020002080209
- Condition: No Test
- Location: Nr 1 Fuel Tank
- 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/ASAA2017010519257

## Discrepancy

DURING ACCOMPLISHMENT OF NG-28FCD-18088-1, FQIS NR 1 TANK AND COMP UNITS TESTING, FOUND TU'S F4 AND F6 OUT OF LIMITS.  ACFT GROUNDED.  REMOVED AND REPLACED TANK 1 F4 AND F6 TANK UNIT PROBES IAW AMM 28-41-21-400-801.  ACCOMPLISHED FQIS SYSTEM TEST IAW AMM 28-41-00 TEST GOOD.

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