# SDR DALA2025052103929

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 20, 2025
- Submitted: May 21, 2025
- Operation: Air carrier
- Aircraft: [N690DL](https://openairdocs.org/aircraft/N690DL), registered now
- Make and model: Boeing 757232
- Aircraft serial: 27585
- Aircraft time: 77,217 hours, 33,611 cycles
- System (JASC): [2420 · AC Generation System](https://openairdocs.org/jasc/2420)
- Part: Tru
- Part number: M734284DF
- Part serial: 1733
- Condition: Failed
- Location: Zone 100
- Part time: 94,964 hours, 30,478 cycles
- Stage of operation: NR
- How discovered: O
- Nature of condition: J
- Precautionary procedure: A
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2025052103929

## Discrepancy

SHIP 0690 -ATB/DE- DUE TO RIGHT AC BUS FAIL. CORRECTIVE ACTION: REPLACED TRANSFORMER RECTIFIER UNIT AND RIGHT GENERATOR CONTROL UNIT.

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