# SDR UIEA2018041600711

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 12, 2018
- Submitted: April 16, 2018
- Operation: Air carrier
- Aircraft: [N1409A](https://openairdocs.org/aircraft/N1409A), registered now
- Make and model: Boeing 767306
- Aircraft serial: 27960
- Aircraft time: 88,122 hours, 16,352 cycles
- System (JASC): [2421 · AC Generator-Alternator](https://openairdocs.org/jasc/2421)
- Part: Gcu
- Part number: 734284F
- Part serial: 4825
- Condition: Failed
- Location: Right
- Stage of operation: DE
- 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/UIEA2018041600711

## Discrepancy

RIGHT AC BUSS FAILED DURING DESCENT,  QRH PROCEDURE RESTORED POWER WITH RT ISL ILLUMINATED.  PERFORMED BITE CHECK ON THE BPCU, FOUND DP TRIPPED, MAIN BUSS, OVERLAP ZONE MESSAGE , REMOVED AND REPLACED THE RIGHT GCU, OPS CHECKED GOOD IAW AMM 24-22-02.

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