# SDR ASAA2016041316385

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 13, 2016
- Submitted: April 15, 2016
- Operation: Air carrier
- Aircraft: [N563AS](https://openairdocs.org/aircraft/N563AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35180
- Aircraft time: 36,204 hours, 10,922 cycles
- System (JASC): [2840 · Fuel Indicating System](https://openairdocs.org/jasc/2840)
- Part: Compensator
- Part number: 2020201
- Part serial: 6339
- Condition: Failed
- Location: Nr 2 Fuel Tank
- Part time: 36,221 hours, 10,926 cycles
- 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/ASAA2016041316385

## Discrepancy

REF FQIS BITE GROUND TEST SHOWS HARD FAULT MSG 28-41208 FOR NR 2 TANK.  DUE TO FAULT HISTORY, REQUIRES SYS DEFERRAL.  ACFT GROUNDED.  R & R COMPENSATOR UNIT, REF AMM 28-41-21-400-801.  COMPENSATOR CAPACITY IS 57.8 PF. THIS CLEARS MEL 28-6B. LEAK CHECK GOOD, REF AMM 28-11-00-400-801.

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