# SDR CALA2020041300836

- Type: Service difficulty report (as reported; unverified)
- Difficulty date: April 13, 2020
- Submitted: April 13, 2020
- Operation: Air carrier
- Aircraft: [N77022](https://openairdocs.org/aircraft/N77022), registered now
- Make and model: Boeing 777224
- Aircraft serial: 39777
- Aircraft time: 49,226 hours, 4,502 cycles
- System (JASC): [3350 · Emergency Lighting](https://openairdocs.org/jasc/3350)
- Part: Charger
- Condition: Inoperative
- Location: Cabin
- 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/CALA2020041300836

## Discrepancy

B777-33-3-7019: R/H DR4 EMER CEILING LT INOP. REF NR LP 9130178 LH DR3 POWER SUPPLY CHARGER REPLACED AND INSTALLATION TEST CARRI ED OUT RESULT NORMAL IAW AMM 33-51-06

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