# SDR ASAA11510822

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 19, 2011
- Submitted: December 21, 2011
- Operation: Air carrier
- Aircraft: [N566AS](https://openairdocs.org/aircraft/N566AS), registered now
- Make and model: Boeing 737890
- Aircraft serial: 35181
- Aircraft time: 18,923 hours, 5,879 cycles
- System (JASC): [2824 · Fuel Transfer Valve](https://openairdocs.org/jasc/2824)
- Part: Actuator
- Part number: MA30A1001
- Part serial: AA244807D
- Condition: Failed
- Location: Center Tank
- Part time: 1,173 hours, 337 cycles
- Stage of operation: CR
- 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/ASAA11510822

## Discrepancy

ATTEMPTED TO BALANCE FUEL AT FL 380 CROSSFEED VALVE WOULD NOT OPEN.  REPLACED ACTUATOR OF THE ENGINE FUEL CROSSFEED VALVE.  REF M/M 28 22 21 400 804.  OPS CK GOOD REF M/M 28 22 21 710 801.

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