# SDR ASAA2021061835228

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 18, 2021
- Submitted: July 7, 2021
- Operation: Air carrier
- Aircraft: [N583AS](https://openairdocs.org/aircraft/N583AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35681
- Aircraft time: 48,664 hours, 14,209 cycles
- System (JASC): [2840 · Fuel Indicating System](https://openairdocs.org/jasc/2840)
- Part: Compensator
- Part number: 2020201
- Part serial: 4029
- Condition: Inoperative
- Location: Fuel Qty
- Part time: 54,561 hours, 23,236 cycles
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2021061835228

## Discrepancy

TECH SERVICES REQUEST FOLLOW-UP TO RECENT #2 FUEL QTY  GROUNDED - YES. ACCOMPLISHED A TANK AND COMPENSATOR UNITS TEST PER B737-800 AMM 28-41-21-710-801 ON THE #2 TANK AND FOUND COMPENSATOR PROBE AND TANK UNITS 2, 5, AND 6 OUT OF LIMITS. REMOVED AND REPLACED COMPENSATOR AND #2 PROBE. REMOVED AND REPLACED TANK UNIT PROBES 5 AND 6 REF AMM 28-41-21. PERFORMED SYSTEM TEST REF AMM 28-41-00. CHECKS GOOD. LEAK CHECK GOOD.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
