# SDR UIEA2019050304115

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: May 3, 2019
- Submitted: May 3, 2019
- Operation: Air carrier
- Aircraft: [N263SG](https://openairdocs.org/aircraft/N263SG), registered now
- Make and model: Boeing 747481
- Aircraft serial: 29263
- Aircraft time: 52,356 hours, 6,412 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery
- Part number: 20131A
- Part serial: 12317
- Condition: Failed
- Location: Cabin
- Stage of operation: IN
- How discovered: O
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2019050304115

## Discrepancy

RQST DISCONNECT ALL OF EMERGENCY LIGHT POWER PACK. (<P>REMOVED CABIN EMERGENCY LIGHT POWER PACK BATTERIES IAW AMM 33-51-04-902-001-001 REV.95 STEP D. INSTALLED CABIN EMERGENCY LIGHT POWER PACK BATTERIES IAW AMM 33-51-04-902-001-001 REV.95, PER STEP E PERFORMED TEST AND FOUND 3 BATTERIES FAIL. TESTED AND REPLACED BATTERIES AND THE RESULT WAS SATISFACTORY IAW AMM 33-51-04-902-001-001 REV. 95.</P><P><BR /></P><P>S/N OFF: TLS 23998, 96723</P>)

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