# SDR UIEA2021120102444

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: November 19, 2021
- Submitted: December 1, 2021
- Operation: Air carrier
- Aircraft: [N649GT](https://openairdocs.org/aircraft/N649GT), registered now
- Make and model: Boeing 767375
- Aircraft serial: 25864
- Aircraft time: 93,970 hours
- System (JASC): [3300 · Lighting System](https://openairdocs.org/jasc/3300)
- Part: Battery
- Part number: BP573
- Part serial: 44054
- Condition: None
- Stage of operation: IN
- How discovered: V
- Nature of condition: P
- Precautionary procedure: O
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/UIEA2021120102444

## Discrepancy

L4/R4 THRESHOLD EMERGENCY LIGHTS INOP(<P><SPAN>R/R EMERGENCY BATTERY PACK ASSY POWER SUPPLY REF AMM 33-51-07</SPAN></P>)

---
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.