# SDR CALA2017120104264

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: December 1, 2017
- Submitted: December 2, 2017
- Operation: Air carrier
- Aircraft: [N66056](https://openairdocs.org/aircraft/N66056), registered now
- Make and model: Boeing 767424ER
- Aircraft serial: 29451
- Aircraft time: 72,851 hours, 10,254 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Battery Pack
- Condition: Inoperative
- Location: Emergency Lights
- 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/CALA2017120104264

## Discrepancy

FOUND L4 EXTERIOR EMERGENCY LIGHT NOT OPERATING.  REMOVED AND REPLACED L4 EXTERIOR EMERGENCY LIGHT BULB AND M739 BATTERY PACK IAW WDM 33-512-15.L4 EXTERIOR EMERGENCY LIGHT VISUALLY OPS CHECK OK, A/C OK TO CONTIN UE.

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