# SDR CALA2021080601271

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: August 5, 2021
- Submitted: August 6, 2021
- Operation: Air carrier
- Aircraft: [N74007](https://openairdocs.org/aircraft/N74007), registered now
- Make and model: Boeing 777224
- Aircraft serial: 29477
- Aircraft time: 103,732 hours, 10,351 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Charger
- Part number: D71702030
- Part serial: 5289
- Condition: Failed
- 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/CALA2021080601271

## Discrepancy

B777-33-3-7015 - DR 2L EMER LIGHT POWER SUPLY M33096 CAPACITY CHECK FAIL TRANFER FROM NR LP 9130404 AND ORIGINATED BY EMP V898181

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