# SDR IPXA2020032753607

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: March 26, 2020
- Submitted: March 27, 2020
- Operation: Air carrier
- Aircraft: [N578UP](https://openairdocs.org/aircraft/N578UP), registered now
- Make and model: Boeing 747-44AF
- Registry model: [Boeing 747-44AF](https://openairdocs.org/model/boeing-747-44af) (OpenAirDocs)
- Aircraft serial: 27154
- Aircraft time: 108,402 hours, 17,999 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 20131A
- Part serial: 102524
- Condition: Discharged
- Location: Upper Deck
- Stage of operation: IN
- How discovered: C
- Nature of condition: L
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/IPXA2020032753607

## Discrepancy

INSPECTION TYPE:D1FOUND EMERGENCY EXIT SIGN AND SLIDE LIGHT INOP AT R/H U/D DOOR AREA.1.I.A.W. AMM 33-51-04-902-001-001 REV.97.03 REPLACED THE EMERGENCY LIGHT BATTERY ASSEMBLY M5056. 2.I.A.W. AMM 33-51-04-902-001-001 REV.98.00 PERFORMED EMERGENCY LIGHT BATTERY FUNCTION TEST,RESULT WAS SATISFACTORY.

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