# SDR ASAA2018110826827

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 8, 2018
- Submitted: November 14, 2018
- Operation: Air carrier
- Aircraft: [N474AS](https://openairdocs.org/aircraft/N474AS), registered now
- Make and model: Boeing 737990ER
- Aircraft serial: 40715
- Aircraft time: 13,603 hours, 4,521 cycles
- System (JASC): [7320 · Fuel Controlling System](https://openairdocs.org/jasc/7320)
- Part: Stator
- Part number: 2123M63P03
- Part serial: GJB49434
- Condition: Inoperative
- Location: Nr 1 Engine
- Part time: 13,606 hours, 4,522 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/ASAA2018110826827

## Discrepancy

F/O FOUND A POPPED "CB" ENG 1 ALT PWR CHANNEL 1. GROUNDED - YES. FOUND FAULTS 73-21271 ALTERNATOR VOLTAGE INPUT TO EEC OUT OF RANGE AND 73-11281 EEC CHANNEL NOT ENERGIZED WITH ALTERNATOR VOLTAGE. REMOVED AND REPLACED ALTERNATOR STATOR REF AMM 73-21-08 LEAK CHECK GOOD. PERFORMED OPS CHECK OF ALTERNATOR REF AMM 71-00-00 OPS CHECK GOOD NO DEFECTS NOTED REF THE SAME.

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