# SDR MYWA110105

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 1, 2011
- Submitted: November 4, 2011
- Operation: Air carrier
- Aircraft: [N739MA](https://openairdocs.org/aircraft/N739MA), registered now
- Make and model: Boeing 737-8Q8
- Registry model: [Boeing 737-8Q8](https://openairdocs.org/model/boeing-737-8q8) (OpenAirDocs)
- Aircraft serial: 30670
- Aircraft time: 17,974 hours, 6,926 cycles
- System (JASC): [2420 · AC Generation System](https://openairdocs.org/jasc/2420)
- Part: Control Unit
- Condition: Malfunctioned
- Location: Electrical Sys
- Stage of operation: TX
- How discovered: O
- Nature of condition: J
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/MYWA110105

## Discrepancy

ETOPS SIGNIFICANT SYSTEM:  ELEC LIGHT ON ELECTRICAL PANEL ILLUMINATED ON GROUND.  ACCOMPLISHED STANDBY POWER/BATTERY CHARGER TEST IAW 737-800 OPS MANUAL PAGE 63 AND PASSED PERFORMED ELECTRICAL PANEL BITE AND SHOWED INTERMITTENT FAULT OF SPCU INOP FAULT CLEARED BITE DONE IAW AMM 24-21-53.

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