# SDR UIEA2014080700384

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 5, 2014
- Submitted: August 7, 2014
- Operation: Air carrier
- Aircraft: [N780BA](https://openairdocs.org/aircraft/N780BA), registered now
- Make and model: Boeing 747409
- Aircraft serial: 24310
- Aircraft time: 73,578 hours, 14,401 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: 20131A
- Part serial: 46531
- Condition: Inoperative
- Location: Cabin
- Stage of operation: IN
- How discovered: C
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2014080700384

## Discrepancy

FOUND EMER LIGHT BATTERY ASSEMBLY FUNCTION FAIL M7915 DRL 1 OVHD.  REPLACED EMER LIGHT POWER SUPPLY & CONDITON CHECKD NORMAL & PERFORMED POWER SUPPLY TEST & THE RESULTS WAS SATISFACTORY IAW AMM 33-51-04.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.