# SDR DL76L070044

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 16, 2007
- Submitted: January 22, 2007
- Operation: Air carrier
- Aircraft: N181DN
- Make and model: Boeing 767332
- Aircraft serial: 25986
- Aircraft time: 69,688 hours, 10,569 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Charger
- Part number: 20121
- Part serial: 28335
- Condition: Corroded
- 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/DL76L070044

## Discrepancy

ALL 4 OVERWING EMERGENCY EXIT SIGNS WOULD ONLY ILLUMINATE FOR 15-30 SECONDS BEFORE TURNING OFF WHEN THE COCKPIT EMERGENCY LIGHT SWITCH WAS PLACED TO ON.  REPLACED THE BATTERY PACK, NO HELP.  REPLACED THE POWER SUPPLY/CHARGER AND THE SYSTEM OPERATED NORMAL, MFG P/N OF CHARGER WAS 2012-1, DPN 333780101, S/N OFF28335.

---
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, except the copies of manufacturers’ service documents, which belong to their rights holders.