# SDR CALA2013010400004

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 2, 2013
- Submitted: January 7, 2013
- Operation: Air carrier
- Aircraft: [N78002](https://openairdocs.org/aircraft/N78002), registered now
- Make and model: Boeing 777224
- Aircraft serial: 27578
- Aircraft time: 70,064 hours, 7,473 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: D71701100
- Condition: Failed
- Location: Emergency Light
- 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/CALA2013010400004

## Discrepancy

R4 DOOR EMERGENCY POWER PACK FOUND FAILED.  EMERGENCY POWER PACK REPLACED AND FUNCTION CHECK NORMAL IAW AMM 33-51-06.

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