# SDR ASAA2012122593538

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 25, 2012
- Submitted: December 27, 2012
- Operation: Air carrier
- Aircraft: [N565AS](https://openairdocs.org/aircraft/N565AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35181
- Aircraft time: 23,453 hours, 7,227 cycles
- System (JASC): [2840 · Fuel Indicating System](https://openairdocs.org/jasc/2840)
- Part: Indication Sys
- Condition: Malfunctioned
- Location: Fuel Qty
- Stage of operation: TX
- How discovered: O
- Nature of condition: N
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/ASAA2012122593538

## Discrepancy

AT PUSHBACK, THE NR 2 FUEL SYS DECREASED UNILATERALLY BY 400 POUNDS.  DRAINED AND SUMPED NR 2 MAIN TANK.   TANK UNIT AND COMPENSATOR VALUES WITHIN LIMITS.  BITE TEST PASSES.  NO CURRENT FAULTS, REF AMM 28-41-00-730-801.

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