# SDR 2000UALA00419

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 12, 2000
- Submitted: October 4, 2000
- Operation: Air carrier
- Aircraft: [N798UA](https://openairdocs.org/aircraft/N798UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26928
- Aircraft time: 10,433 hours, 1,647 cycles
- Engine: Pwa PW4090
- System (JASC): [2330 · Entertainment System](https://openairdocs.org/jasc/2330)
- Part: Video Unit
- Part number: 176422CY777
- Part serial: 296
- Condition: Overheated
- Location: Seat 17
- Stage of operation: CL
- 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/2000UALA00419

## Discrepancy

AFTER DEPARTURE EXPERIENCED SMOKE IN CABIN FROM ENTERTAINMENT SYSTEM UNDERSEAT ELECTRONIC UNIT AT SEAT 17AB.  AIRCRAFT RETURNED TO FIELD.  *S/D*  FILTER CAPACITORS IN THE POWER SUPPLY FAILED CAUSING OVERHEAT DAMAGE TO THE CIRCUIT BOARD.  THE VIDEO DISTRIBUTION BOX (VDB) WAS REPLACED WITH NO FURTHER PROBLEMS.

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