# SDR I5EA2013F00142

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: July 10, 2013
- Submitted: July 10, 2013
- Operation: Air carrier
- Aircraft: N801TJ
- Make and model: Boeing 737-4B7
- Registry model: [Boeing 737-4B7](https://openairdocs.org/model/boeing-737-4b7) (OpenAirDocs)
- Aircraft serial: 24874
- Aircraft time: 46,231 hours, 30,474 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Part number: 20131A
- Condition: Discharged
- Location: Emergency Lights
- 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/I5EA2013F00142

## Discrepancy

AFTER SITTING FOR 7 DAYS WITHOUT GROUND ELECTRICAL SUPPORT, DURING A GROUND FUNCTIONAL TEST OF THE EMERGENCY STANDBY LIGHTING SYSTEM LIGHTS WERE DIM. 8 BATTERY PACKS WERE REPLACED WITH NO FURTHER PROBLEM.

---
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.