# SDR AALA202308024413

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 1, 2023
- Submitted: August 2, 2023
- Operation: Air carrier
- Aircraft: [N830AN](https://openairdocs.org/aircraft/N830AN), registered now
- Make and model: Boeing 787-9
- Registry model: [Boeing 787-9](https://openairdocs.org/model/boeing-787-9) (OpenAirDocs)
- Aircraft serial: 40650
- Aircraft time: 22,304 hours, 2,691 cycles
- System (JASC): [2450 · AC Power Distribution System](https://openairdocs.org/jasc/2450)
- Part: Unknown
- Part number: UNKNOWN
- Condition: Unknown
- Location: Unknown
- Stage of operation: IN
- How discovered: V
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/AALA202308024413

## Discrepancy

AIRCRAFT WAS GROUNDED: ELECTRICAL ARC FLASH WITH HEAVY SOOT CONTAMINATION DISCOVERED ON OVER VOLTGE TRANSIENT PROTECTION UNIT. **SUPPLEMENTAL REPORT WILL BE SUBMITTED.** (OPEN)

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