# SDR AWXA0000018

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 19, 2000
- Submitted: March 26, 2000
- Operation: Air carrier
- Aircraft: [N173AW](https://openairdocs.org/aircraft/N173AW), registered now
- Make and model: Boeing 737-33A
- Registry model: [Boeing 737-33A](https://openairdocs.org/model/boeing-737-33a) (OpenAirDocs)
- Aircraft serial: 23632
- System (JASC): [2450 · AC Power Distribution System](https://openairdocs.org/jasc/2450)
- Part: Generator
- Part number: 693731575
- Condition: Malfunctioned
- Location: E/E Bay
- Part time: 6,469 hours
- Stage of operation: CR
- Nature of condition: H, J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AWXA0000018

## Discrepancy

DIVERSION FOR ELECTRICAL PWR LOSS, REF LP 7583866, APPROX 1.4 HRS INTO FLIGHT NR 1 EFIS SCREENS WENT BLANK, STBY PWR AC BUS WENT TO ZERO VOLTS, ZERO FREQS, PRESSURIZATION FAILED; AFTER 5 SECS IT ALL CAME BACK, NR 1 BUS ALSO  FLICKERED OFF.  REPLACED TRANSFER RELAY R3, GENERATOR DRIVE, AND STBY PWR PANEL.  AC POWER CHECK GOOD.

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