# SDR IPXA2024082634635

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 24, 2024
- Submitted: August 26, 2024
- Operation: Air carrier
- Aircraft: [N580UP](https://openairdocs.org/aircraft/N580UP), registered now
- Make and model: Boeing 747428F
- Aircraft serial: 25632
- Aircraft time: 118,140 hours, 20,236 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 20131A
- Part serial: 44855
- Condition: Inoperative
- Location: Zone 200
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2024082634635

## Discrepancy

FOUND THE UPPER DECK AISLE EMERGENCY LIGHT L5733 AND CREW 3REST EMERGENCY LIGHT L5767 INOP..I.A.W AMM 33-51-04-902-001-001 REV.111 REPLACED THE EMERGENCY LIGHT BATTERY (M5169) AND PERFORMED UPPER DECK EMERGENCY LIGHT OPERATIONAL TEST , RESULT WAS SATISFACTORY.

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