# SDR DALA2015101206106

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: October 10, 2015
- Submitted: October 13, 2015
- Operation: Air carrier
- Aircraft: N679DA
- Make and model: Boeing 757232
- Aircraft serial: 26955
- Aircraft time: 73,852 hours, 33,125 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Light
- Condition: Malfunctioned
- Location: Cockpit
- Stage of operation: IN
- How discovered: 9
- Nature of condition: O
- Precautionary procedure: K
- FAA source: FAA Service Difficulty Reporting System (https://sdrs.faa.gov/)
- Page: https://openairdocs.org/sdr/DALA2015101206106

## Discrepancy

CABIN EMERGENCY LIGHTS CAME ON UNCOMMANDED IN FLIGHT PASSING THRU 33000', REMAINED ON, UNTIL CYCLED THE EMERGENCY LT SWITCH.  R & R COCKPIT EMERGENCY LIGHT, PASS OXY SWITCH PANEL IAW AMM 33-51.  NO HELP.  R & R FIRST CLASS BATTERY PACK AND CHARGER M730. NO HELP 866781.  FOUND CHARGER M730 BAD FROM STOCK. REINSTALLED ORIGINAL CHARGER REF AMM 33-51.  SYS OPS CKS NORMAL.

---
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.