# SDR 2007UALA03307

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 21, 2007
- Submitted: August 24, 2007
- Operation: Air carrier
- Aircraft: [N437UA](https://openairdocs.org/aircraft/N437UA), registered now
- Make and model: Airbus A320-232
- Registry model: [Airbus A320-232](https://openairdocs.org/model/airbus-a320-232) (OpenAirDocs)
- Aircraft serial: 655
- Aircraft time: 37,890 hours, 13,304 cycles
- Engine: Iae V2527A5
- System (JASC): [2497 · Electrical Power System Wiring](https://openairdocs.org/jasc/2497)
- Part: Buss Bar
- Condition: Shorted
- Location: Electrical
- Stage of operation: CR
- How discovered: O
- Nature of condition: B
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/2007UALA03307

## Discrepancy

FLIGHT DIVERTED DUE TO ELECTRICAL ODOR.  FOUND 1 PHASE OF CB 3XN2(B US 2SUPPLY 204XP)MISSING, CB 3XN2 POPPED WITH CAP BROKEN.  ALL USERS OF SOURCE 204XP POWER FAILED DOWNLINE.   REPLACED CB 3XN2, AB2, BUS 2 204XP SUPPLY- INSPECTION FOR SHORTS IN WIRING BETWEEN CB , 3 PHASE BUSS BAR 2XP & 42XU4 CONTACTOR.  CHECKED A LL ASSOCIATED WIRING ON BUSS BAR AND 094005 ALL WIRING UNDER 123VU. NO DEFECTS NOTED

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.