# SDR UIEA2023061900651

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: June 21, 2023
- Submitted: June 22, 2023
- Operation: Air carrier
- Aircraft: [N406KZ](https://openairdocs.org/aircraft/N406KZ), registered now
- Make and model: Boeing 747-4KZF
- Registry model: [Boeing 747-4KZF](https://openairdocs.org/model/boeing-747-4kzf) (OpenAirDocs)
- Aircraft serial: 36133
- Aircraft time: 52,694 hours, 10,132 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Lamp
- Part number: BPS73
- Part serial: 55983
- Condition: Unknown
- Location: Unknown
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2023061900651

## Discrepancy

MAIN DECK L1 DOOR CEILING AREA EMERGENCY LT FOUND INOP(<P>MAIN DECK L1 DOOR CEILING AREA EMERGENCY LIGHT RE-LAMPED AND EMERGENCY POWER SUPPLY ( M5170 ) REPLACED. EMERGENCY LIGHT OPERATION TEST RESULT NORMAL PER AMM 33-51-00</P>)

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