# SDR MYW2006F00004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 31, 2005
- Submitted: May 23, 2006
- Operation: Air carrier
- Aircraft: [N734MA](https://openairdocs.org/aircraft/N734MA), registered now
- Make and model: Boeing 737-8Q8
- Registry model: [Boeing 737-8Q8](https://openairdocs.org/model/boeing-737-8q8) (OpenAirDocs)
- Aircraft serial: 30039
- Engine: Cfmint CFM567B26US
- System (JASC): [2450 · AC Power Distribution System](https://openairdocs.org/jasc/2450)
- Part: Bpcu
- Part number: 762187F
- Condition: Faulty
- Location: E4 Rack
- Stage of operation: TX
- 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/MYW2006F00004

## Discrepancy

ON ARRIVAL, UNABLE TO PLACE APU GENERATOR ON LINE WITH ENGINE GENERATORS ON LINE.  FOUND BUS POWER UNIT AT FAULT.  REMOVED AND REPLACED BPCU IAW MM.  PERFORMED OPS CHECK NORMAL.  PERFORMED ELECTRICAL SYSTEM CHECK IAW 24-21-00.  OPS CHECK NORMAL.  RETURNED AIRCRAFT TO SERVICE.  (K)

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