# SDR CALA2018011900216

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: January 18, 2018
- Submitted: January 20, 2018
- Operation: Air carrier
- Aircraft: [N784UA](https://openairdocs.org/aircraft/N784UA), registered now
- Make and model: Boeing 777222
- Aircraft serial: 26951
- Aircraft time: 91,505 hours, 12,168 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Power Supply
- Part number: ADD71701100
- Part serial: 174503
- Condition: Discharged
- 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/CALA2018011900216

## Discrepancy

L4 DOOR EMERGENCY LIGHT POWER SUPPLY M33407,  FOUND CAPACITY LOW THE POWER PACK WAS  REPLACED,   TESTED NORMAL IAW AMM 33-51-06.

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