# SDR ASAA201808205851

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 19, 2018
- Submitted: August 20, 2018
- Operation: Air carrier
- Aircraft: [N536AS](https://openairdocs.org/aircraft/N536AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35203
- Aircraft time: 25,736 hours, 7,463 cycles
- System (JASC): [2840 · Fuel Indicating System](https://openairdocs.org/jasc/2840)
- Part: Probe
- Part number: 202000212
- Condition: Out Of Tolerance
- 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/ASAA201808205851

## Discrepancy

WHILE PERFORMING T/C NG-28FCD-18088-1,  FOUND UNIT F1 TO BE OUT OF TOLERANCE.  ACFT GROUNDED.  F1 TANK UNIT ON THE NR 1 MAIN FUEL TANK REMOVED AND REPLACED IAW AMM 28-41-21. UNIT WITHIN TOLERANCE NOW.  SYSTEM TESTED GOOD IAW AMM 28-41-00-730-801,  COMPARISON CHECKED GOOD IAW AMM 28-41-00-720-801.

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